Home / 51,781.95-77,618.97-35,143.29

Finding the Fourth Proportional to 51,781.95, 77,618.97 and 35,143.29

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Solution

The fourth proportional to 51,781.95, 77,618.97 and 35,143.29 is: 52,678.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,781.95 : 77,618.97 = 35,143.29 : x
  2. Step 2: Convert to fraction form
    51,781.95/77,618.97 = 35,143.29/x
  3. Step 3: Cross multiply
    51,781.95x = 77,618.97 × 35,143.29
  4. Step 4: Simplify right side
    51,781.95x = 2,727,785,972.21
  5. Step 5: Solve for x
    x = 2,727,785,972.21/51,781.95
  6. Step 6: Final answer
    x = 52,678.32

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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.