Home / 40,062.47-55,285.11-22,158.23

Finding the Fourth Proportional to 40,062.47, 55,285.11 and 22,158.23

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Solution

The fourth proportional to 40,062.47, 55,285.11 and 22,158.23 is: 30,577.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,062.47 : 55,285.11 = 22,158.23 : x
  2. Step 2: Convert to fraction form
    40,062.47/55,285.11 = 22,158.23/x
  3. Step 3: Cross multiply
    40,062.47x = 55,285.11 × 22,158.23
  4. Step 4: Simplify right side
    40,062.47x = 1,225,019,906.53
  5. Step 5: Solve for x
    x = 1,225,019,906.53/40,062.47
  6. Step 6: Final answer
    x = 30,577.75

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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.