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Finding the Fourth Proportional to 50,750.28, 70,102.32 and 38,959.32

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Solution

The fourth proportional to 50,750.28, 70,102.32 and 38,959.32 is: 53,815.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,750.28 : 70,102.32 = 38,959.32 : x
  2. Step 2: Convert to fraction form
    50,750.28/70,102.32 = 38,959.32/x
  3. Step 3: Cross multiply
    50,750.28x = 70,102.32 × 38,959.32
  4. Step 4: Simplify right side
    50,750.28x = 2,731,138,717.62
  5. Step 5: Solve for x
    x = 2,731,138,717.62/50,750.28
  6. Step 6: Final answer
    x = 53,815.24

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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.