Home / 63,419.20-87,491.04-38,254.72

Finding the Fourth Proportional to 63,419.20, 87,491.04 and 38,254.72

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Solution

The fourth proportional to 63,419.20, 87,491.04 and 38,254.72 is: 52,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,419.20 : 87,491.04 = 38,254.72 : x
  2. Step 2: Convert to fraction form
    63,419.20/87,491.04 = 38,254.72/x
  3. Step 3: Cross multiply
    63,419.20x = 87,491.04 × 38,254.72
  4. Step 4: Simplify right side
    63,419.20x = 3,346,945,237.71
  5. Step 5: Solve for x
    x = 3,346,945,237.71/63,419.20
  6. Step 6: Final answer
    x = 52,774.95

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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.