Home / 53,517.29-80,292.13-20,247.55

Finding the Fourth Proportional to 53,517.29, 80,292.13 and 20,247.55

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Solution

The fourth proportional to 53,517.29, 80,292.13 and 20,247.55 is: 30,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,517.29 : 80,292.13 = 20,247.55 : x
  2. Step 2: Convert to fraction form
    53,517.29/80,292.13 = 20,247.55/x
  3. Step 3: Cross multiply
    53,517.29x = 80,292.13 × 20,247.55
  4. Step 4: Simplify right side
    53,517.29x = 1,625,718,916.78
  5. Step 5: Solve for x
    x = 1,625,718,916.78/53,517.29
  6. Step 6: Final answer
    x = 30,377.45

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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.