Home / 40,320.32-55,629.02-22,411.88

Finding the Fourth Proportional to 40,320.32, 55,629.02 and 22,411.88

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Solution

The fourth proportional to 40,320.32, 55,629.02 and 22,411.88 is: 30,921.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.32 : 55,629.02 = 22,411.88 : x
  2. Step 2: Convert to fraction form
    40,320.32/55,629.02 = 22,411.88/x
  3. Step 3: Cross multiply
    40,320.32x = 55,629.02 × 22,411.88
  4. Step 4: Simplify right side
    40,320.32x = 1,246,750,530.55
  5. Step 5: Solve for x
    x = 1,246,750,530.55/40,320.32
  6. Step 6: Final answer
    x = 30,921.15

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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.