Home / 43,711.13-65,559.38-12,124.41

Finding the Fourth Proportional to 43,711.13, 65,559.38 and 12,124.41

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Solution

The fourth proportional to 43,711.13, 65,559.38 and 12,124.41 is: 18,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,711.13 : 65,559.38 = 12,124.41 : x
  2. Step 2: Convert to fraction form
    43,711.13/65,559.38 = 12,124.41/x
  3. Step 3: Cross multiply
    43,711.13x = 65,559.38 × 12,124.41
  4. Step 4: Simplify right side
    43,711.13x = 794,868,741.84
  5. Step 5: Solve for x
    x = 794,868,741.84/43,711.13
  6. Step 6: Final answer
    x = 18,184.59

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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.