Home / 43,332.38-65,000.89-12,170.06

Finding the Fourth Proportional to 43,332.38, 65,000.89 and 12,170.06

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Solution

The fourth proportional to 43,332.38, 65,000.89 and 12,170.06 is: 18,255.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,332.38 : 65,000.89 = 12,170.06 : x
  2. Step 2: Convert to fraction form
    43,332.38/65,000.89 = 12,170.06/x
  3. Step 3: Cross multiply
    43,332.38x = 65,000.89 × 12,170.06
  4. Step 4: Simplify right side
    43,332.38x = 791,064,731.35
  5. Step 5: Solve for x
    x = 791,064,731.35/43,332.38
  6. Step 6: Final answer
    x = 18,255.74

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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.