Home / 40,403.88-55,753.38-22,498.20

Finding the Fourth Proportional to 40,403.88, 55,753.38 and 22,498.20

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Solution

The fourth proportional to 40,403.88, 55,753.38 and 22,498.20 is: 31,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,403.88 : 55,753.38 = 22,498.20 : x
  2. Step 2: Convert to fraction form
    40,403.88/55,753.38 = 22,498.20/x
  3. Step 3: Cross multiply
    40,403.88x = 55,753.38 × 22,498.20
  4. Step 4: Simplify right side
    40,403.88x = 1,254,350,693.92
  5. Step 5: Solve for x
    x = 1,254,350,693.92/40,403.88
  6. Step 6: Final answer
    x = 31,045.30

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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.