Home / 71,026.68-98,016.60-39,195.30

Finding the Fourth Proportional to 71,026.68, 98,016.60 and 39,195.30

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Solution

The fourth proportional to 71,026.68, 98,016.60 and 39,195.30 is: 54,089.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,026.68 : 98,016.60 = 39,195.30 : x
  2. Step 2: Convert to fraction form
    71,026.68/98,016.60 = 39,195.30/x
  3. Step 3: Cross multiply
    71,026.68x = 98,016.60 × 39,195.30
  4. Step 4: Simplify right side
    71,026.68x = 3,841,790,041.98
  5. Step 5: Solve for x
    x = 3,841,790,041.98/71,026.68
  6. Step 6: Final answer
    x = 54,089.39

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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.