Home / 38,549.93-57,785.51-21,874.74

Finding the Fourth Proportional to 38,549.93, 57,785.51 and 21,874.74

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Solution

The fourth proportional to 38,549.93, 57,785.51 and 21,874.74 is: 32,789.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,549.93 : 57,785.51 = 21,874.74 : x
  2. Step 2: Convert to fraction form
    38,549.93/57,785.51 = 21,874.74/x
  3. Step 3: Cross multiply
    38,549.93x = 57,785.51 × 21,874.74
  4. Step 4: Simplify right side
    38,549.93x = 1,264,042,897.64
  5. Step 5: Solve for x
    x = 1,264,042,897.64/38,549.93
  6. Step 6: Final answer
    x = 32,789.76

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1.5x scale

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.