Home / 50,515.20-75,643.20-48,182.40

Finding the Fourth Proportional to 50,515.20, 75,643.20 and 48,182.40

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Solution

The fourth proportional to 50,515.20, 75,643.20 and 48,182.40 is: 72,149.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,515.20 : 75,643.20 = 48,182.40 : x
  2. Step 2: Convert to fraction form
    50,515.20/75,643.20 = 48,182.40/x
  3. Step 3: Cross multiply
    50,515.20x = 75,643.20 × 48,182.40
  4. Step 4: Simplify right side
    50,515.20x = 3,644,670,919.68
  5. Step 5: Solve for x
    x = 3,644,670,919.68/50,515.20
  6. Step 6: Final answer
    x = 72,149.98

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