Home / 49,575.60-68,419.08-28,350.72

Finding the Fourth Proportional to 49,575.60, 68,419.08 and 28,350.72

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Solution

The fourth proportional to 49,575.60, 68,419.08 and 28,350.72 is: 39,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,575.60 : 68,419.08 = 28,350.72 : x
  2. Step 2: Convert to fraction form
    49,575.60/68,419.08 = 28,350.72/x
  3. Step 3: Cross multiply
    49,575.60x = 68,419.08 × 28,350.72
  4. Step 4: Simplify right side
    49,575.60x = 1,939,730,179.74
  5. Step 5: Solve for x
    x = 1,939,730,179.74/49,575.60
  6. Step 6: Final answer
    x = 39,126.71

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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.