Home / 71,016.12-98,001.39-39,184.32

Finding the Fourth Proportional to 71,016.12, 98,001.39 and 39,184.32

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Solution

The fourth proportional to 71,016.12, 98,001.39 and 39,184.32 is: 54,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,016.12 : 98,001.39 = 39,184.32 : x
  2. Step 2: Convert to fraction form
    71,016.12/98,001.39 = 39,184.32/x
  3. Step 3: Cross multiply
    71,016.12x = 98,001.39 × 39,184.32
  4. Step 4: Simplify right side
    71,016.12x = 3,840,117,826.20
  5. Step 5: Solve for x
    x = 3,840,117,826.20/71,016.12
  6. Step 6: Final answer
    x = 54,073.89

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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.