Home / 39,727.15-59,606.97-21,002.20

Finding the Fourth Proportional to 39,727.15, 59,606.97 and 21,002.20

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Solution

The fourth proportional to 39,727.15, 59,606.97 and 21,002.20 is: 31,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,727.15 : 59,606.97 = 21,002.20 : x
  2. Step 2: Convert to fraction form
    39,727.15/59,606.97 = 21,002.20/x
  3. Step 3: Cross multiply
    39,727.15x = 59,606.97 × 21,002.20
  4. Step 4: Simplify right side
    39,727.15x = 1,251,877,505.33
  5. Step 5: Solve for x
    x = 1,251,877,505.33/39,727.15
  6. Step 6: Final answer
    x = 31,511.89

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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.