Home / 45,024.57-67,540.29-13,432.17

Finding the Fourth Proportional to 45,024.57, 67,540.29 and 13,432.17

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Solution

The fourth proportional to 45,024.57, 67,540.29 and 13,432.17 is: 20,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,024.57 : 67,540.29 = 13,432.17 : x
  2. Step 2: Convert to fraction form
    45,024.57/67,540.29 = 13,432.17/x
  3. Step 3: Cross multiply
    45,024.57x = 67,540.29 × 13,432.17
  4. Step 4: Simplify right side
    45,024.57x = 907,212,657.13
  5. Step 5: Solve for x
    x = 907,212,657.13/45,024.57
  6. Step 6: Final answer
    x = 20,149.28

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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.