Home / 50,456.20-69,630-27,795.28

Finding the Fourth Proportional to 50,456.20, 69,630 and 27,795.28

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Solution

The fourth proportional to 50,456.20, 69,630 and 27,795.28 is: 38,357.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,456.20 : 69,630 = 27,795.28 : x
  2. Step 2: Convert to fraction form
    50,456.20/69,630 = 27,795.28/x
  3. Step 3: Cross multiply
    50,456.20x = 69,630 × 27,795.28
  4. Step 4: Simplify right side
    50,456.20x = 1,935,385,346.40
  5. Step 5: Solve for x
    x = 1,935,385,346.40/50,456.20
  6. Step 6: Final answer
    x = 38,357.73

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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.