Home / 50,882.28-70,214.76-28,218.48

Finding the Fourth Proportional to 50,882.28, 70,214.76 and 28,218.48

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Solution

The fourth proportional to 50,882.28, 70,214.76 and 28,218.48 is: 38,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,882.28 : 70,214.76 = 28,218.48 : x
  2. Step 2: Convert to fraction form
    50,882.28/70,214.76 = 28,218.48/x
  3. Step 3: Cross multiply
    50,882.28x = 70,214.76 × 28,218.48
  4. Step 4: Simplify right side
    50,882.28x = 1,981,353,800.76
  5. Step 5: Solve for x
    x = 1,981,353,800.76/50,882.28
  6. Step 6: Final answer
    x = 38,939.96

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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.