Home / 71,391.24-98,520.49-39,560.67

Finding the Fourth Proportional to 71,391.24, 98,520.49 and 39,560.67

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Solution

The fourth proportional to 71,391.24, 98,520.49 and 39,560.67 is: 54,594.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,391.24 : 98,520.49 = 39,560.67 : x
  2. Step 2: Convert to fraction form
    71,391.24/98,520.49 = 39,560.67/x
  3. Step 3: Cross multiply
    71,391.24x = 98,520.49 × 39,560.67
  4. Step 4: Simplify right side
    71,391.24x = 3,897,536,593.13
  5. Step 5: Solve for x
    x = 3,897,536,593.13/71,391.24
  6. Step 6: Final answer
    x = 54,594.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.