Home / 43,610.28-65,416-12,445.52

Finding the Fourth Proportional to 43,610.28, 65,416 and 12,445.52

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Solution

The fourth proportional to 43,610.28, 65,416 and 12,445.52 is: 18,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,610.28 : 65,416 = 12,445.52 : x
  2. Step 2: Convert to fraction form
    43,610.28/65,416 = 12,445.52/x
  3. Step 3: Cross multiply
    43,610.28x = 65,416 × 12,445.52
  4. Step 4: Simplify right side
    43,610.28x = 814,136,136.32
  5. Step 5: Solve for x
    x = 814,136,136.32/43,610.28
  6. Step 6: Final answer
    x = 18,668.45

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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.