Home / 71,029.62-98,020.02-39,197.82

Finding the Fourth Proportional to 71,029.62, 98,020.02 and 39,197.82

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Solution

The fourth proportional to 71,029.62, 98,020.02 and 39,197.82 is: 54,092.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,029.62 : 98,020.02 = 39,197.82 : x
  2. Step 2: Convert to fraction form
    71,029.62/98,020.02 = 39,197.82/x
  3. Step 3: Cross multiply
    71,029.62x = 98,020.02 × 39,197.82
  4. Step 4: Simplify right side
    71,029.62x = 3,842,171,100.36
  5. Step 5: Solve for x
    x = 3,842,171,100.36/71,029.62
  6. Step 6: Final answer
    x = 54,092.52

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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.