Home / 39,612.16-59,437.80-18,553.66

Finding the Fourth Proportional to 39,612.16, 59,437.80 and 18,553.66

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Solution

The fourth proportional to 39,612.16, 59,437.80 and 18,553.66 is: 27,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,612.16 : 59,437.80 = 18,553.66 : x
  2. Step 2: Convert to fraction form
    39,612.16/59,437.80 = 18,553.66/x
  3. Step 3: Cross multiply
    39,612.16x = 59,437.80 × 18,553.66
  4. Step 4: Simplify right side
    39,612.16x = 1,102,788,732.35
  5. Step 5: Solve for x
    x = 1,102,788,732.35/39,612.16
  6. Step 6: Final answer
    x = 27,839.65

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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.