Home / 42,001.49-57,962.06-23,138.62

Finding the Fourth Proportional to 42,001.49, 57,962.06 and 23,138.62

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Solution

The fourth proportional to 42,001.49, 57,962.06 and 23,138.62 is: 31,931.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.49 : 57,962.06 = 23,138.62 : x
  2. Step 2: Convert to fraction form
    42,001.49/57,962.06 = 23,138.62/x
  3. Step 3: Cross multiply
    42,001.49x = 57,962.06 × 23,138.62
  4. Step 4: Simplify right side
    42,001.49x = 1,341,161,675.25
  5. Step 5: Solve for x
    x = 1,341,161,675.25/42,001.49
  6. Step 6: Final answer
    x = 31,931.29

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.