Home / 50,695.38-76,043.07-21,127.14

Finding the Fourth Proportional to 50,695.38, 76,043.07 and 21,127.14

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Solution

The fourth proportional to 50,695.38, 76,043.07 and 21,127.14 is: 31,690.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,695.38 : 76,043.07 = 21,127.14 : x
  2. Step 2: Convert to fraction form
    50,695.38/76,043.07 = 21,127.14/x
  3. Step 3: Cross multiply
    50,695.38x = 76,043.07 × 21,127.14
  4. Step 4: Simplify right side
    50,695.38x = 1,606,572,585.92
  5. Step 5: Solve for x
    x = 1,606,572,585.92/50,695.38
  6. Step 6: Final answer
    x = 31,690.71

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Double scale
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Similar ratio
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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.