Home / 55,388.28-82,964.70-51,422.52

Finding the Fourth Proportional to 55,388.28, 82,964.70 and 51,422.52

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Solution

The fourth proportional to 55,388.28, 82,964.70 and 51,422.52 is: 77,024.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,388.28 : 82,964.70 = 51,422.52 : x
  2. Step 2: Convert to fraction form
    55,388.28/82,964.70 = 51,422.52/x
  3. Step 3: Cross multiply
    55,388.28x = 82,964.70 × 51,422.52
  4. Step 4: Simplify right side
    55,388.28x = 4,266,253,945.04
  5. Step 5: Solve for x
    x = 4,266,253,945.04/55,388.28
  6. Step 6: Final answer
    x = 77,024.49

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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.