Home / 50,044.32-68,981.76-39,417.12

Finding the Fourth Proportional to 50,044.32, 68,981.76 and 39,417.12

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Solution

The fourth proportional to 50,044.32, 68,981.76 and 39,417.12 is: 54,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,044.32 : 68,981.76 = 39,417.12 : x
  2. Step 2: Convert to fraction form
    50,044.32/68,981.76 = 39,417.12/x
  3. Step 3: Cross multiply
    50,044.32x = 68,981.76 × 39,417.12
  4. Step 4: Simplify right side
    50,044.32x = 2,719,062,311.73
  5. Step 5: Solve for x
    x = 2,719,062,311.73/50,044.32
  6. Step 6: Final answer
    x = 54,333.09

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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.