Home / 71,390.24-98,519.11-39,559.67

Finding the Fourth Proportional to 71,390.24, 98,519.11 and 39,559.67

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Solution

The fourth proportional to 71,390.24, 98,519.11 and 39,559.67 is: 54,592.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,390.24 : 98,519.11 = 39,559.67 : x
  2. Step 2: Convert to fraction form
    71,390.24/98,519.11 = 39,559.67/x
  3. Step 3: Cross multiply
    71,390.24x = 98,519.11 × 39,559.67
  4. Step 4: Simplify right side
    71,390.24x = 3,897,382,888.80
  5. Step 5: Solve for x
    x = 3,897,382,888.80/71,390.24
  6. Step 6: Final answer
    x = 54,592.66

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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.