Home / 39,966.82-59,931.60-11,876.56

Finding the Fourth Proportional to 39,966.82, 59,931.60 and 11,876.56

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Solution

The fourth proportional to 39,966.82, 59,931.60 and 11,876.56 is: 17,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,966.82 : 59,931.60 = 11,876.56 : x
  2. Step 2: Convert to fraction form
    39,966.82/59,931.60 = 11,876.56/x
  3. Step 3: Cross multiply
    39,966.82x = 59,931.60 × 11,876.56
  4. Step 4: Simplify right side
    39,966.82x = 711,781,243.30
  5. Step 5: Solve for x
    x = 711,781,243.30/39,966.82
  6. Step 6: Final answer
    x = 17,809.30

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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.