Home / 39,960.72-59,930.66-11,874.17

Finding the Fourth Proportional to 39,960.72, 59,930.66 and 11,874.17

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Solution

The fourth proportional to 39,960.72, 59,930.66 and 11,874.17 is: 17,808.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960.72 : 59,930.66 = 11,874.17 : x
  2. Step 2: Convert to fraction form
    39,960.72/59,930.66 = 11,874.17/x
  3. Step 3: Cross multiply
    39,960.72x = 59,930.66 × 11,874.17
  4. Step 4: Simplify right side
    39,960.72x = 711,626,486.03
  5. Step 5: Solve for x
    x = 711,626,486.03/39,960.72
  6. Step 6: Final answer
    x = 17,808.15

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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.