Home / 50,427.20-75,640.80-49,649.60

Finding the Fourth Proportional to 50,427.20, 75,640.80 and 49,649.60

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Solution

The fourth proportional to 50,427.20, 75,640.80 and 49,649.60 is: 74,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,427.20 : 75,640.80 = 49,649.60 : x
  2. Step 2: Convert to fraction form
    50,427.20/75,640.80 = 49,649.60/x
  3. Step 3: Cross multiply
    50,427.20x = 75,640.80 × 49,649.60
  4. Step 4: Simplify right side
    50,427.20x = 3,755,535,463.68
  5. Step 5: Solve for x
    x = 3,755,535,463.68/50,427.20
  6. Step 6: Final answer
    x = 74,474.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.