Home / 45,248.16-67,882.35-13,658.76

Finding the Fourth Proportional to 45,248.16, 67,882.35 and 13,658.76

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Solution

The fourth proportional to 45,248.16, 67,882.35 and 13,658.76 is: 20,491.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,248.16 : 67,882.35 = 13,658.76 : x
  2. Step 2: Convert to fraction form
    45,248.16/67,882.35 = 13,658.76/x
  3. Step 3: Cross multiply
    45,248.16x = 67,882.35 × 13,658.76
  4. Step 4: Simplify right side
    45,248.16x = 927,188,726.89
  5. Step 5: Solve for x
    x = 927,188,726.89/45,248.16
  6. Step 6: Final answer
    x = 20,491.19

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1.5x scale

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.