Home / 34,386.66-51,559.92-10,687.78

Finding the Fourth Proportional to 34,386.66, 51,559.92 and 10,687.78

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Solution

The fourth proportional to 34,386.66, 51,559.92 and 10,687.78 is: 16,025.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,386.66 : 51,559.92 = 10,687.78 : x
  2. Step 2: Convert to fraction form
    34,386.66/51,559.92 = 10,687.78/x
  3. Step 3: Cross multiply
    34,386.66x = 51,559.92 × 10,687.78
  4. Step 4: Simplify right side
    34,386.66x = 551,061,081.78
  5. Step 5: Solve for x
    x = 551,061,081.78/34,386.66
  6. Step 6: Final answer
    x = 16,025.43

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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.