Home / 45,217.85-67,812.89-31,267.53

Finding the Fourth Proportional to 45,217.85, 67,812.89 and 31,267.53

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Solution

The fourth proportional to 45,217.85, 67,812.89 and 31,267.53 is: 46,891.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,217.85 : 67,812.89 = 31,267.53 : x
  2. Step 2: Convert to fraction form
    45,217.85/67,812.89 = 31,267.53/x
  3. Step 3: Cross multiply
    45,217.85x = 67,812.89 × 31,267.53
  4. Step 4: Simplify right side
    45,217.85x = 2,120,341,416.12
  5. Step 5: Solve for x
    x = 2,120,341,416.12/45,217.85
  6. Step 6: Final answer
    x = 46,891.70

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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.