Home / 50,839.38-70,158.72-28,178.72

Finding the Fourth Proportional to 50,839.38, 70,158.72 and 28,178.72

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Solution

The fourth proportional to 50,839.38, 70,158.72 and 28,178.72 is: 38,886.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,839.38 : 70,158.72 = 28,178.72 : x
  2. Step 2: Convert to fraction form
    50,839.38/70,158.72 = 28,178.72/x
  3. Step 3: Cross multiply
    50,839.38x = 70,158.72 × 28,178.72
  4. Step 4: Simplify right side
    50,839.38x = 1,976,982,944.41
  5. Step 5: Solve for x
    x = 1,976,982,944.41/50,839.38
  6. Step 6: Final answer
    x = 38,886.84

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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.