Home / 40,291.95-55,603.76-22,142.92

Finding the Fourth Proportional to 40,291.95, 55,603.76 and 22,142.92

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Solution

The fourth proportional to 40,291.95, 55,603.76 and 22,142.92 is: 30,557.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,291.95 : 55,603.76 = 22,142.92 : x
  2. Step 2: Convert to fraction form
    40,291.95/55,603.76 = 22,142.92/x
  3. Step 3: Cross multiply
    40,291.95x = 55,603.76 × 22,142.92
  4. Step 4: Simplify right side
    40,291.95x = 1,231,229,609.38
  5. Step 5: Solve for x
    x = 1,231,229,609.38/40,291.95
  6. Step 6: Final answer
    x = 30,557.71

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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.