Home / 34,680.08-51,989.08-12,488.24

Finding the Fourth Proportional to 34,680.08, 51,989.08 and 12,488.24

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Solution

The fourth proportional to 34,680.08, 51,989.08 and 12,488.24 is: 18,721.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,680.08 : 51,989.08 = 12,488.24 : x
  2. Step 2: Convert to fraction form
    34,680.08/51,989.08 = 12,488.24/x
  3. Step 3: Cross multiply
    34,680.08x = 51,989.08 × 12,488.24
  4. Step 4: Simplify right side
    34,680.08x = 649,252,108.42
  5. Step 5: Solve for x
    x = 649,252,108.42/34,680.08
  6. Step 6: Final answer
    x = 18,721.18

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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.