Home / 51,781.35-71,460.84-29,127.47

Finding the Fourth Proportional to 51,781.35, 71,460.84 and 29,127.47

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Solution

The fourth proportional to 51,781.35, 71,460.84 and 29,127.47 is: 40,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,781.35 : 71,460.84 = 29,127.47 : x
  2. Step 2: Convert to fraction form
    51,781.35/71,460.84 = 29,127.47/x
  3. Step 3: Cross multiply
    51,781.35x = 71,460.84 × 29,127.47
  4. Step 4: Simplify right side
    51,781.35x = 2,081,473,473.27
  5. Step 5: Solve for x
    x = 2,081,473,473.27/51,781.35
  6. Step 6: Final answer
    x = 40,197.36

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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.