Home / 52,291.28-72,159-31,057.04

Finding the Fourth Proportional to 52,291.28, 72,159 and 31,057.04

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Solution

The fourth proportional to 52,291.28, 72,159 and 31,057.04 is: 42,856.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,291.28 : 72,159 = 31,057.04 : x
  2. Step 2: Convert to fraction form
    52,291.28/72,159 = 31,057.04/x
  3. Step 3: Cross multiply
    52,291.28x = 72,159 × 31,057.04
  4. Step 4: Simplify right side
    52,291.28x = 2,241,044,949.36
  5. Step 5: Solve for x
    x = 2,241,044,949.36/52,291.28
  6. Step 6: Final answer
    x = 42,856.95

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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.