Home / 40,391.14-55,740.54-22,486.90

Finding the Fourth Proportional to 40,391.14, 55,740.54 and 22,486.90

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Solution

The fourth proportional to 40,391.14, 55,740.54 and 22,486.90 is: 31,032.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,391.14 : 55,740.54 = 22,486.90 : x
  2. Step 2: Convert to fraction form
    40,391.14/55,740.54 = 22,486.90/x
  3. Step 3: Cross multiply
    40,391.14x = 55,740.54 × 22,486.90
  4. Step 4: Simplify right side
    40,391.14x = 1,253,431,948.93
  5. Step 5: Solve for x
    x = 1,253,431,948.93/40,391.14
  6. Step 6: Final answer
    x = 31,032.35

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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.