Home / 41,405.12-57,139.28-22,542.24

Finding the Fourth Proportional to 41,405.12, 57,139.28 and 22,542.24

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Solution

The fourth proportional to 41,405.12, 57,139.28 and 22,542.24 is: 31,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,405.12 : 57,139.28 = 22,542.24 : x
  2. Step 2: Convert to fraction form
    41,405.12/57,139.28 = 22,542.24/x
  3. Step 3: Cross multiply
    41,405.12x = 57,139.28 × 22,542.24
  4. Step 4: Simplify right side
    41,405.12x = 1,288,047,363.19
  5. Step 5: Solve for x
    x = 1,288,047,363.19/41,405.12
  6. Step 6: Final answer
    x = 31,108.41

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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.