Home / 40,680.48-56,139.20-22,775.52

Finding the Fourth Proportional to 40,680.48, 56,139.20 and 22,775.52

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Solution

The fourth proportional to 40,680.48, 56,139.20 and 22,775.52 is: 31,430.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,680.48 : 56,139.20 = 22,775.52 : x
  2. Step 2: Convert to fraction form
    40,680.48/56,139.20 = 22,775.52/x
  3. Step 3: Cross multiply
    40,680.48x = 56,139.20 × 22,775.52
  4. Step 4: Simplify right side
    40,680.48x = 1,278,599,472.38
  5. Step 5: Solve for x
    x = 1,278,599,472.38/40,680.48
  6. Step 6: Final answer
    x = 31,430.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.