Home / 40,119.52-60,172.44-12,031.96

Finding the Fourth Proportional to 40,119.52, 60,172.44 and 12,031.96

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Solution

The fourth proportional to 40,119.52, 60,172.44 and 12,031.96 is: 18,045.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,119.52 : 60,172.44 = 12,031.96 : x
  2. Step 2: Convert to fraction form
    40,119.52/60,172.44 = 12,031.96/x
  3. Step 3: Cross multiply
    40,119.52x = 60,172.44 × 12,031.96
  4. Step 4: Simplify right side
    40,119.52x = 723,992,391.18
  5. Step 5: Solve for x
    x = 723,992,391.18/40,119.52
  6. Step 6: Final answer
    x = 18,045.89

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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.