Home / 49,917.78-74,390.15-48,478.38

Finding the Fourth Proportional to 49,917.78, 74,390.15 and 48,478.38

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Solution

The fourth proportional to 49,917.78, 74,390.15 and 48,478.38 is: 72,245.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,917.78 : 74,390.15 = 48,478.38 : x
  2. Step 2: Convert to fraction form
    49,917.78/74,390.15 = 48,478.38/x
  3. Step 3: Cross multiply
    49,917.78x = 74,390.15 × 48,478.38
  4. Step 4: Simplify right side
    49,917.78x = 3,606,313,959.96
  5. Step 5: Solve for x
    x = 3,606,313,959.96/49,917.78
  6. Step 6: Final answer
    x = 72,245.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.