Home / 71,972.29-107,972.27-27,595.58

Finding the Fourth Proportional to 71,972.29, 107,972.27 and 27,595.58

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Solution

The fourth proportional to 71,972.29, 107,972.27 and 27,595.58 is: 41,398.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,972.29 : 107,972.27 = 27,595.58 : x
  2. Step 2: Convert to fraction form
    71,972.29/107,972.27 = 27,595.58/x
  3. Step 3: Cross multiply
    71,972.29x = 107,972.27 × 27,595.58
  4. Step 4: Simplify right side
    71,972.29x = 2,979,557,245.11
  5. Step 5: Solve for x
    x = 2,979,557,245.11/71,972.29
  6. Step 6: Final answer
    x = 41,398.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.