Home / 71,023.33-98,009.31-39,191.80

Finding the Fourth Proportional to 71,023.33, 98,009.31 and 39,191.80

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Solution

The fourth proportional to 71,023.33, 98,009.31 and 39,191.80 is: 54,083.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,023.33 : 98,009.31 = 39,191.80 : x
  2. Step 2: Convert to fraction form
    71,023.33/98,009.31 = 39,191.80/x
  3. Step 3: Cross multiply
    71,023.33x = 98,009.31 × 39,191.80
  4. Step 4: Simplify right side
    71,023.33x = 3,841,161,275.66
  5. Step 5: Solve for x
    x = 3,841,161,275.66/71,023.33
  6. Step 6: Final answer
    x = 54,083.09

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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.