Home / 40,159.28-55,420.25-22,254.63

Finding the Fourth Proportional to 40,159.28, 55,420.25 and 22,254.63

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Solution

The fourth proportional to 40,159.28, 55,420.25 and 22,254.63 is: 30,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159.28 : 55,420.25 = 22,254.63 : x
  2. Step 2: Convert to fraction form
    40,159.28/55,420.25 = 22,254.63/x
  3. Step 3: Cross multiply
    40,159.28x = 55,420.25 × 22,254.63
  4. Step 4: Simplify right side
    40,159.28x = 1,233,357,046.98
  5. Step 5: Solve for x
    x = 1,233,357,046.98/40,159.28
  6. Step 6: Final answer
    x = 30,711.64

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Double scale
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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.