Home / 41,235.97-61,823.69-13,139.86

Finding the Fourth Proportional to 41,235.97, 61,823.69 and 13,139.86

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Solution

The fourth proportional to 41,235.97, 61,823.69 and 13,139.86 is: 19,700.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,235.97 : 61,823.69 = 13,139.86 : x
  2. Step 2: Convert to fraction form
    41,235.97/61,823.69 = 13,139.86/x
  3. Step 3: Cross multiply
    41,235.97x = 61,823.69 × 13,139.86
  4. Step 4: Simplify right side
    41,235.97x = 812,354,631.28
  5. Step 5: Solve for x
    x = 812,354,631.28/41,235.97
  6. Step 6: Final answer
    x = 19,700.15

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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.