Home / 50,983.92-70,354.20-28,631.28

Finding the Fourth Proportional to 50,983.92, 70,354.20 and 28,631.28

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Solution

The fourth proportional to 50,983.92, 70,354.20 and 28,631.28 is: 39,509.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,983.92 : 70,354.20 = 28,631.28 : x
  2. Step 2: Convert to fraction form
    50,983.92/70,354.20 = 28,631.28/x
  3. Step 3: Cross multiply
    50,983.92x = 70,354.20 × 28,631.28
  4. Step 4: Simplify right side
    50,983.92x = 2,014,330,799.38
  5. Step 5: Solve for x
    x = 2,014,330,799.38/50,983.92
  6. Step 6: Final answer
    x = 39,509.14

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Similar ratio
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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.