Home / 38,079.12-57,085.80-14,721.96

Finding the Fourth Proportional to 38,079.12, 57,085.80 and 14,721.96

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Solution

The fourth proportional to 38,079.12, 57,085.80 and 14,721.96 is: 22,070.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079.12 : 57,085.80 = 14,721.96 : x
  2. Step 2: Convert to fraction form
    38,079.12/57,085.80 = 14,721.96/x
  3. Step 3: Cross multiply
    38,079.12x = 57,085.80 × 14,721.96
  4. Step 4: Simplify right side
    38,079.12x = 840,414,864.17
  5. Step 5: Solve for x
    x = 840,414,864.17/38,079.12
  6. Step 6: Final answer
    x = 22,070.23

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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.