Home / 50,799.20-76,069.20-40,431.20

Finding the Fourth Proportional to 50,799.20, 76,069.20 and 40,431.20

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Solution

The fourth proportional to 50,799.20, 76,069.20 and 40,431.20 is: 60,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,799.20 : 76,069.20 = 40,431.20 : x
  2. Step 2: Convert to fraction form
    50,799.20/76,069.20 = 40,431.20/x
  3. Step 3: Cross multiply
    50,799.20x = 76,069.20 × 40,431.20
  4. Step 4: Simplify right side
    50,799.20x = 3,075,569,039.04
  5. Step 5: Solve for x
    x = 3,075,569,039.04/50,799.20
  6. Step 6: Final answer
    x = 60,543.65

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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.