Home / 40,158.79-55,419.26-22,254.09

Finding the Fourth Proportional to 40,158.79, 55,419.26 and 22,254.09

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Solution

The fourth proportional to 40,158.79, 55,419.26 and 22,254.09 is: 30,710.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.79 : 55,419.26 = 22,254.09 : x
  2. Step 2: Convert to fraction form
    40,158.79/55,419.26 = 22,254.09/x
  3. Step 3: Cross multiply
    40,158.79x = 55,419.26 × 22,254.09
  4. Step 4: Simplify right side
    40,158.79x = 1,233,305,380.18
  5. Step 5: Solve for x
    x = 1,233,305,380.18/40,158.79
  6. Step 6: Final answer
    x = 30,710.72

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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.