Home / 42,013.18-62,985.53-19,538.04

Finding the Fourth Proportional to 42,013.18, 62,985.53 and 19,538.04

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Solution

The fourth proportional to 42,013.18, 62,985.53 and 19,538.04 is: 29,291.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,013.18 : 62,985.53 = 19,538.04 : x
  2. Step 2: Convert to fraction form
    42,013.18/62,985.53 = 19,538.04/x
  3. Step 3: Cross multiply
    42,013.18x = 62,985.53 × 19,538.04
  4. Step 4: Simplify right side
    42,013.18x = 1,230,613,695.94
  5. Step 5: Solve for x
    x = 1,230,613,695.94/42,013.18
  6. Step 6: Final answer
    x = 29,291.14

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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.