Home / 71,495.24-98,675.22-39,674.38

Finding the Fourth Proportional to 71,495.24, 98,675.22 and 39,674.38

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Solution

The fourth proportional to 71,495.24, 98,675.22 and 39,674.38 is: 54,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,495.24 : 98,675.22 = 39,674.38 : x
  2. Step 2: Convert to fraction form
    71,495.24/98,675.22 = 39,674.38/x
  3. Step 3: Cross multiply
    71,495.24x = 98,675.22 × 39,674.38
  4. Step 4: Simplify right side
    71,495.24x = 3,914,878,174.86
  5. Step 5: Solve for x
    x = 3,914,878,174.86/71,495.24
  6. Step 6: Final answer
    x = 54,757.19

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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.