Home / 40,158.64-55,417.80-22,253.20

Finding the Fourth Proportional to 40,158.64, 55,417.80 and 22,253.20

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Solution

The fourth proportional to 40,158.64, 55,417.80 and 22,253.20 is: 30,708.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.64 : 55,417.80 = 22,253.20 : x
  2. Step 2: Convert to fraction form
    40,158.64/55,417.80 = 22,253.20/x
  3. Step 3: Cross multiply
    40,158.64x = 55,417.80 × 22,253.20
  4. Step 4: Simplify right side
    40,158.64x = 1,233,223,386.96
  5. Step 5: Solve for x
    x = 1,233,223,386.96/40,158.64
  6. Step 6: Final answer
    x = 30,708.79

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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.