Home / 42,120.96-58,124.76-24,203.28

Finding the Fourth Proportional to 42,120.96, 58,124.76 and 24,203.28

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Solution

The fourth proportional to 42,120.96, 58,124.76 and 24,203.28 is: 33,399.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,120.96 : 58,124.76 = 24,203.28 : x
  2. Step 2: Convert to fraction form
    42,120.96/58,124.76 = 24,203.28/x
  3. Step 3: Cross multiply
    42,120.96x = 58,124.76 × 24,203.28
  4. Step 4: Simplify right side
    42,120.96x = 1,406,809,841.21
  5. Step 5: Solve for x
    x = 1,406,809,841.21/42,120.96
  6. Step 6: Final answer
    x = 33,399.28

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Half scale
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Double scale
Find fourth proportional to 42,121.96, 58,126.14 and 24,204.28
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.