Home / 30,770.18-42,462.25-17,341.16

Finding the Fourth Proportional to 30,770.18, 42,462.25 and 17,341.16

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Solution

The fourth proportional to 30,770.18, 42,462.25 and 17,341.16 is: 23,930.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,770.18 : 42,462.25 = 17,341.16 : x
  2. Step 2: Convert to fraction form
    30,770.18/42,462.25 = 17,341.16/x
  3. Step 3: Cross multiply
    30,770.18x = 42,462.25 × 17,341.16
  4. Step 4: Simplify right side
    30,770.18x = 736,344,671.21
  5. Step 5: Solve for x
    x = 736,344,671.21/30,770.18
  6. Step 6: Final answer
    x = 23,930.47

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Half scale
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Double scale
Find fourth proportional to 30,771.18, 42,463.63 and 17,342.16
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.