Home / 41,920.12-62,887.92-13,842.12

Finding the Fourth Proportional to 41,920.12, 62,887.92 and 13,842.12

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Solution

The fourth proportional to 41,920.12, 62,887.92 and 13,842.12 is: 20,765.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,920.12 : 62,887.92 = 13,842.12 : x
  2. Step 2: Convert to fraction form
    41,920.12/62,887.92 = 13,842.12/x
  3. Step 3: Cross multiply
    41,920.12x = 62,887.92 × 13,842.12
  4. Step 4: Simplify right side
    41,920.12x = 870,502,135.19
  5. Step 5: Solve for x
    x = 870,502,135.19/41,920.12
  6. Step 6: Final answer
    x = 20,765.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.