Home / 43,423.68-65,113.60-15,339.52

Finding the Fourth Proportional to 43,423.68, 65,113.60 and 15,339.52

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Solution

The fourth proportional to 43,423.68, 65,113.60 and 15,339.52 is: 23,001.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,423.68 : 65,113.60 = 15,339.52 : x
  2. Step 2: Convert to fraction form
    43,423.68/65,113.60 = 15,339.52/x
  3. Step 3: Cross multiply
    43,423.68x = 65,113.60 × 15,339.52
  4. Step 4: Simplify right side
    43,423.68x = 998,811,369.47
  5. Step 5: Solve for x
    x = 998,811,369.47/43,423.68
  6. Step 6: Final answer
    x = 23,001.54

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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.