Home / 52,120.80-71,926.76-28,247.47

Finding the Fourth Proportional to 52,120.80, 71,926.76 and 28,247.47

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Solution

The fourth proportional to 52,120.80, 71,926.76 and 28,247.47 is: 38,981.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,120.80 : 71,926.76 = 28,247.47 : x
  2. Step 2: Convert to fraction form
    52,120.80/71,926.76 = 28,247.47/x
  3. Step 3: Cross multiply
    52,120.80x = 71,926.76 × 28,247.47
  4. Step 4: Simplify right side
    52,120.80x = 2,031,748,995.30
  5. Step 5: Solve for x
    x = 2,031,748,995.30/52,120.80
  6. Step 6: Final answer
    x = 38,981.54

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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.