Home / 52,715.46-79,102.38-21,572.58

Finding the Fourth Proportional to 52,715.46, 79,102.38 and 21,572.58

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Solution

The fourth proportional to 52,715.46, 79,102.38 and 21,572.58 is: 32,370.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,715.46 : 79,102.38 = 21,572.58 : x
  2. Step 2: Convert to fraction form
    52,715.46/79,102.38 = 21,572.58/x
  3. Step 3: Cross multiply
    52,715.46x = 79,102.38 × 21,572.58
  4. Step 4: Simplify right side
    52,715.46x = 1,706,442,420.74
  5. Step 5: Solve for x
    x = 1,706,442,420.74/52,715.46
  6. Step 6: Final answer
    x = 32,370.82

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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.