Home / 40,159.20-55,418.92-22,254.12

Finding the Fourth Proportional to 40,159.20, 55,418.92 and 22,254.12

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Solution

The fourth proportional to 40,159.20, 55,418.92 and 22,254.12 is: 30,710.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159.20 : 55,418.92 = 22,254.12 : x
  2. Step 2: Convert to fraction form
    40,159.20/55,418.92 = 22,254.12/x
  3. Step 3: Cross multiply
    40,159.20x = 55,418.92 × 22,254.12
  4. Step 4: Simplify right side
    40,159.20x = 1,233,299,295.95
  5. Step 5: Solve for x
    x = 1,233,299,295.95/40,159.20
  6. Step 6: Final answer
    x = 30,710.26

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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.