Home / 71,561.40-98,756.99-39,732.85

Finding the Fourth Proportional to 71,561.40, 98,756.99 and 39,732.85

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Solution

The fourth proportional to 71,561.40, 98,756.99 and 39,732.85 is: 54,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,561.40 : 98,756.99 = 39,732.85 : x
  2. Step 2: Convert to fraction form
    71,561.40/98,756.99 = 39,732.85/x
  3. Step 3: Cross multiply
    71,561.40x = 98,756.99 × 39,732.85
  4. Step 4: Simplify right side
    71,561.40x = 3,923,896,670.12
  5. Step 5: Solve for x
    x = 3,923,896,670.12/71,561.40
  6. Step 6: Final answer
    x = 54,832.59

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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.