Home / 75,800.76-113,704.98-20,397.24

Finding the Fourth Proportional to 75,800.76, 113,704.98 and 20,397.24

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Solution

The fourth proportional to 75,800.76, 113,704.98 and 20,397.24 is: 30,596.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,800.76 : 113,704.98 = 20,397.24 : x
  2. Step 2: Convert to fraction form
    75,800.76/113,704.98 = 20,397.24/x
  3. Step 3: Cross multiply
    75,800.76x = 113,704.98 × 20,397.24
  4. Step 4: Simplify right side
    75,800.76x = 2,319,267,766.26
  5. Step 5: Solve for x
    x = 2,319,267,766.26/75,800.76
  6. Step 6: Final answer
    x = 30,596.89

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1.5x scale

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.