Home / 42,220.08-63,295.08-15,910.32

Finding the Fourth Proportional to 42,220.08, 63,295.08 and 15,910.32

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Solution

The fourth proportional to 42,220.08, 63,295.08 and 15,910.32 is: 23,852.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,220.08 : 63,295.08 = 15,910.32 : x
  2. Step 2: Convert to fraction form
    42,220.08/63,295.08 = 15,910.32/x
  3. Step 3: Cross multiply
    42,220.08x = 63,295.08 × 15,910.32
  4. Step 4: Simplify right side
    42,220.08x = 1,007,044,977.23
  5. Step 5: Solve for x
    x = 1,007,044,977.23/42,220.08
  6. Step 6: Final answer
    x = 23,852.28

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.