Home / 71,931.06-107,849.88-29,799.72

Finding the Fourth Proportional to 71,931.06, 107,849.88 and 29,799.72

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Solution

The fourth proportional to 71,931.06, 107,849.88 and 29,799.72 is: 44,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,931.06 : 107,849.88 = 29,799.72 : x
  2. Step 2: Convert to fraction form
    71,931.06/107,849.88 = 29,799.72/x
  3. Step 3: Cross multiply
    71,931.06x = 107,849.88 × 29,799.72
  4. Step 4: Simplify right side
    71,931.06x = 3,213,896,226.03
  5. Step 5: Solve for x
    x = 3,213,896,226.03/71,931.06
  6. Step 6: Final answer
    x = 44,680.23

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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.