Home / 51,781.08-71,454.78-29,425.08

Finding the Fourth Proportional to 51,781.08, 71,454.78 and 29,425.08

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Solution

The fourth proportional to 51,781.08, 71,454.78 and 29,425.08 is: 40,604.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,781.08 : 71,454.78 = 29,425.08 : x
  2. Step 2: Convert to fraction form
    51,781.08/71,454.78 = 29,425.08/x
  3. Step 3: Cross multiply
    51,781.08x = 71,454.78 × 29,425.08
  4. Step 4: Simplify right side
    51,781.08x = 2,102,562,617.88
  5. Step 5: Solve for x
    x = 2,102,562,617.88/51,781.08
  6. Step 6: Final answer
    x = 40,604.84

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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.