Home / 49,332.15-68,078.21-28,115.01

Finding the Fourth Proportional to 49,332.15, 68,078.21 and 28,115.01

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Solution

The fourth proportional to 49,332.15, 68,078.21 and 28,115.01 is: 38,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,332.15 : 68,078.21 = 28,115.01 : x
  2. Step 2: Convert to fraction form
    49,332.15/68,078.21 = 28,115.01/x
  3. Step 3: Cross multiply
    49,332.15x = 68,078.21 × 28,115.01
  4. Step 4: Simplify right side
    49,332.15x = 1,914,019,414.36
  5. Step 5: Solve for x
    x = 1,914,019,414.36/49,332.15
  6. Step 6: Final answer
    x = 38,798.62

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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.