Home / 50,691.30-69,955.83-28,031.28

Finding the Fourth Proportional to 50,691.30, 69,955.83 and 28,031.28

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Solution

The fourth proportional to 50,691.30, 69,955.83 and 28,031.28 is: 38,684.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,691.30 : 69,955.83 = 28,031.28 : x
  2. Step 2: Convert to fraction form
    50,691.30/69,955.83 = 28,031.28/x
  3. Step 3: Cross multiply
    50,691.30x = 69,955.83 × 28,031.28
  4. Step 4: Simplify right side
    50,691.30x = 1,960,951,458.36
  5. Step 5: Solve for x
    x = 1,960,951,458.36/50,691.30
  6. Step 6: Final answer
    x = 38,684.18

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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.