Home / 45,038.73-67,561.92-13,446.76

Finding the Fourth Proportional to 45,038.73, 67,561.92 and 13,446.76

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Solution

The fourth proportional to 45,038.73, 67,561.92 and 13,446.76 is: 20,171.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,038.73 : 67,561.92 = 13,446.76 : x
  2. Step 2: Convert to fraction form
    45,038.73/67,561.92 = 13,446.76/x
  3. Step 3: Cross multiply
    45,038.73x = 67,561.92 × 13,446.76
  4. Step 4: Simplify right side
    45,038.73x = 908,488,923.38
  5. Step 5: Solve for x
    x = 908,488,923.38/45,038.73
  6. Step 6: Final answer
    x = 20,171.28

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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.