Home / 36,031.53-54,047.10-12,339.29

Finding the Fourth Proportional to 36,031.53, 54,047.10 and 12,339.29

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Solution

The fourth proportional to 36,031.53, 54,047.10 and 12,339.29 is: 18,508.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,031.53 : 54,047.10 = 12,339.29 : x
  2. Step 2: Convert to fraction form
    36,031.53/54,047.10 = 12,339.29/x
  3. Step 3: Cross multiply
    36,031.53x = 54,047.10 × 12,339.29
  4. Step 4: Simplify right side
    36,031.53x = 666,902,840.56
  5. Step 5: Solve for x
    x = 666,902,840.56/36,031.53
  6. Step 6: Final answer
    x = 18,508.87

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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.