Home / 67,939.80-101,943.56-30,526.61

Finding the Fourth Proportional to 67,939.80, 101,943.56 and 30,526.61

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Solution

The fourth proportional to 67,939.80, 101,943.56 and 30,526.61 is: 45,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,939.80 : 101,943.56 = 30,526.61 : x
  2. Step 2: Convert to fraction form
    67,939.80/101,943.56 = 30,526.61/x
  3. Step 3: Cross multiply
    67,939.80x = 101,943.56 × 30,526.61
  4. Step 4: Simplify right side
    67,939.80x = 3,111,990,864.73
  5. Step 5: Solve for x
    x = 3,111,990,864.73/67,939.80
  6. Step 6: Final answer
    x = 45,805.13

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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.