Home / 71,253.24-98,328.96-39,421.44

Finding the Fourth Proportional to 71,253.24, 98,328.96 and 39,421.44

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Solution

The fourth proportional to 71,253.24, 98,328.96 and 39,421.44 is: 54,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,253.24 : 98,328.96 = 39,421.44 : x
  2. Step 2: Convert to fraction form
    71,253.24/98,328.96 = 39,421.44/x
  3. Step 3: Cross multiply
    71,253.24x = 98,328.96 × 39,421.44
  4. Step 4: Simplify right side
    71,253.24x = 3,876,269,196.90
  5. Step 5: Solve for x
    x = 3,876,269,196.90/71,253.24
  6. Step 6: Final answer
    x = 54,401.30

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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.