Home / 55,815.68-76,988.17-34,605.43

Finding the Fourth Proportional to 55,815.68, 76,988.17 and 34,605.43

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Solution

The fourth proportional to 55,815.68, 76,988.17 and 34,605.43 is: 47,732.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,815.68 : 76,988.17 = 34,605.43 : x
  2. Step 2: Convert to fraction form
    55,815.68/76,988.17 = 34,605.43/x
  3. Step 3: Cross multiply
    55,815.68x = 76,988.17 × 34,605.43
  4. Step 4: Simplify right side
    55,815.68x = 2,664,208,578.55
  5. Step 5: Solve for x
    x = 2,664,208,578.55/55,815.68
  6. Step 6: Final answer
    x = 47,732.26

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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.