Home / 45,156.49-67,744.15-13,565.27

Finding the Fourth Proportional to 45,156.49, 67,744.15 and 13,565.27

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Solution

The fourth proportional to 45,156.49, 67,744.15 and 13,565.27 is: 20,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,156.49 : 67,744.15 = 13,565.27 : x
  2. Step 2: Convert to fraction form
    45,156.49/67,744.15 = 13,565.27/x
  3. Step 3: Cross multiply
    45,156.49x = 67,744.15 × 13,565.27
  4. Step 4: Simplify right side
    45,156.49x = 918,967,821.12
  5. Step 5: Solve for x
    x = 918,967,821.12/45,156.49
  6. Step 6: Final answer
    x = 20,350.74

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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.