Home / 55,412.20-76,389.78-34,177.24

Finding the Fourth Proportional to 55,412.20, 76,389.78 and 34,177.24

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Solution

The fourth proportional to 55,412.20, 76,389.78 and 34,177.24 is: 47,115.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,412.20 : 76,389.78 = 34,177.24 : x
  2. Step 2: Convert to fraction form
    55,412.20/76,389.78 = 34,177.24/x
  3. Step 3: Cross multiply
    55,412.20x = 76,389.78 × 34,177.24
  4. Step 4: Simplify right side
    55,412.20x = 2,610,791,844.61
  5. Step 5: Solve for x
    x = 2,610,791,844.61/55,412.20
  6. Step 6: Final answer
    x = 47,115.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.