Home / 43,913.62-65,862.96-12,316.42

Finding the Fourth Proportional to 43,913.62, 65,862.96 and 12,316.42

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Solution

The fourth proportional to 43,913.62, 65,862.96 and 12,316.42 is: 18,472.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,913.62 : 65,862.96 = 12,316.42 : x
  2. Step 2: Convert to fraction form
    43,913.62/65,862.96 = 12,316.42/x
  3. Step 3: Cross multiply
    43,913.62x = 65,862.96 × 12,316.42
  4. Step 4: Simplify right side
    43,913.62x = 811,195,877.80
  5. Step 5: Solve for x
    x = 811,195,877.80/43,913.62
  6. Step 6: Final answer
    x = 18,472.53

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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.