Home / 42,000.38-63,001.04-17,981.45

Finding the Fourth Proportional to 42,000.38, 63,001.04 and 17,981.45

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Solution

The fourth proportional to 42,000.38, 63,001.04 and 17,981.45 is: 26,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,000.38 : 63,001.04 = 17,981.45 : x
  2. Step 2: Convert to fraction form
    42,000.38/63,001.04 = 17,981.45/x
  3. Step 3: Cross multiply
    42,000.38x = 63,001.04 × 17,981.45
  4. Step 4: Simplify right side
    42,000.38x = 1,132,849,645.80
  5. Step 5: Solve for x
    x = 1,132,849,645.80/42,000.38
  6. Step 6: Final answer
    x = 26,972.37

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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.