Home / 50,942.64-70,309.32-28,288.92

Finding the Fourth Proportional to 50,942.64, 70,309.32 and 28,288.92

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Solution

The fourth proportional to 50,942.64, 70,309.32 and 28,288.92 is: 39,043.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,942.64 : 70,309.32 = 28,288.92 : x
  2. Step 2: Convert to fraction form
    50,942.64/70,309.32 = 28,288.92/x
  3. Step 3: Cross multiply
    50,942.64x = 70,309.32 × 28,288.92
  4. Step 4: Simplify right side
    50,942.64x = 1,988,974,728.73
  5. Step 5: Solve for x
    x = 1,988,974,728.73/50,942.64
  6. Step 6: Final answer
    x = 39,043.42

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Double scale
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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.