Home / 43,691.16-65,526.09-12,100.40

Finding the Fourth Proportional to 43,691.16, 65,526.09 and 12,100.40

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Solution

The fourth proportional to 43,691.16, 65,526.09 and 12,100.40 is: 18,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,691.16 : 65,526.09 = 12,100.40 : x
  2. Step 2: Convert to fraction form
    43,691.16/65,526.09 = 12,100.40/x
  3. Step 3: Cross multiply
    43,691.16x = 65,526.09 × 12,100.40
  4. Step 4: Simplify right side
    43,691.16x = 792,891,675.12
  5. Step 5: Solve for x
    x = 792,891,675.12/43,691.16
  6. Step 6: Final answer
    x = 18,147.65

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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.