Home / 51,781.84-71,461.54-29,127.96

Finding the Fourth Proportional to 51,781.84, 71,461.54 and 29,127.96

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Solution

The fourth proportional to 51,781.84, 71,461.54 and 29,127.96 is: 40,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,781.84 : 71,461.54 = 29,127.96 : x
  2. Step 2: Convert to fraction form
    51,781.84/71,461.54 = 29,127.96/x
  3. Step 3: Cross multiply
    51,781.84x = 71,461.54 × 29,127.96
  4. Step 4: Simplify right side
    51,781.84x = 2,081,528,878.66
  5. Step 5: Solve for x
    x = 2,081,528,878.66/51,781.84
  6. Step 6: Final answer
    x = 40,198.05

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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.