Home / 50,640.60-69,882.17-30,223.74

Finding the Fourth Proportional to 50,640.60, 69,882.17 and 30,223.74

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Solution

The fourth proportional to 50,640.60, 69,882.17 and 30,223.74 is: 41,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,640.60 : 69,882.17 = 30,223.74 : x
  2. Step 2: Convert to fraction form
    50,640.60/69,882.17 = 30,223.74/x
  3. Step 3: Cross multiply
    50,640.60x = 69,882.17 × 30,223.74
  4. Step 4: Simplify right side
    50,640.60x = 2,112,100,385.60
  5. Step 5: Solve for x
    x = 2,112,100,385.60/50,640.60
  6. Step 6: Final answer
    x = 41,707.65

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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.