Home / 50,781.28-76,201.07-39,656.74

Finding the Fourth Proportional to 50,781.28, 76,201.07 and 39,656.74

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Solution

The fourth proportional to 50,781.28, 76,201.07 and 39,656.74 is: 59,507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,781.28 : 76,201.07 = 39,656.74 : x
  2. Step 2: Convert to fraction form
    50,781.28/76,201.07 = 39,656.74/x
  3. Step 3: Cross multiply
    50,781.28x = 76,201.07 × 39,656.74
  4. Step 4: Simplify right side
    50,781.28x = 3,021,886,020.71
  5. Step 5: Solve for x
    x = 3,021,886,020.71/50,781.28
  6. Step 6: Final answer
    x = 59,507.87

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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.