Home / 71,013.64-97,998.76-39,182.54

Finding the Fourth Proportional to 71,013.64, 97,998.76 and 39,182.54

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Solution

The fourth proportional to 71,013.64, 97,998.76 and 39,182.54 is: 54,071.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,013.64 : 97,998.76 = 39,182.54 : x
  2. Step 2: Convert to fraction form
    71,013.64/97,998.76 = 39,182.54/x
  3. Step 3: Cross multiply
    71,013.64x = 97,998.76 × 39,182.54
  4. Step 4: Simplify right side
    71,013.64x = 3,839,840,137.74
  5. Step 5: Solve for x
    x = 3,839,840,137.74/71,013.64
  6. Step 6: Final answer
    x = 54,071.87

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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.