Home / 38,874.27-58,203.12-19,857.72

Finding the Fourth Proportional to 38,874.27, 58,203.12 and 19,857.72

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Solution

The fourth proportional to 38,874.27, 58,203.12 and 19,857.72 is: 29,731.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,874.27 : 58,203.12 = 19,857.72 : x
  2. Step 2: Convert to fraction form
    38,874.27/58,203.12 = 19,857.72/x
  3. Step 3: Cross multiply
    38,874.27x = 58,203.12 × 19,857.72
  4. Step 4: Simplify right side
    38,874.27x = 1,155,781,260.09
  5. Step 5: Solve for x
    x = 1,155,781,260.09/38,874.27
  6. Step 6: Final answer
    x = 29,731.27

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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.