Home / 40,150.80-55,405.28-22,244.16

Finding the Fourth Proportional to 40,150.80, 55,405.28 and 22,244.16

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Solution

The fourth proportional to 40,150.80, 55,405.28 and 22,244.16 is: 30,695.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,150.80 : 55,405.28 = 22,244.16 : x
  2. Step 2: Convert to fraction form
    40,150.80/55,405.28 = 22,244.16/x
  3. Step 3: Cross multiply
    40,150.80x = 55,405.28 × 22,244.16
  4. Step 4: Simplify right side
    40,150.80x = 1,232,443,913.16
  5. Step 5: Solve for x
    x = 1,232,443,913.16/40,150.80
  6. Step 6: Final answer
    x = 30,695.38

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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.