Home / 52,120.45-71,926.20-28,247.12

Finding the Fourth Proportional to 52,120.45, 71,926.20 and 28,247.12

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Solution

The fourth proportional to 52,120.45, 71,926.20 and 28,247.12 is: 38,981.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,120.45 : 71,926.20 = 28,247.12 : x
  2. Step 2: Convert to fraction form
    52,120.45/71,926.20 = 28,247.12/x
  3. Step 3: Cross multiply
    52,120.45x = 71,926.20 × 28,247.12
  4. Step 4: Simplify right side
    52,120.45x = 2,031,707,912.64
  5. Step 5: Solve for x
    x = 2,031,707,912.64/52,120.45
  6. Step 6: Final answer
    x = 38,981.01

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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.