Home / 52,078.38-71,867.78-28,204.50

Finding the Fourth Proportional to 52,078.38, 71,867.78 and 28,204.50

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Solution

The fourth proportional to 52,078.38, 71,867.78 and 28,204.50 is: 38,922.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,078.38 : 71,867.78 = 28,204.50 : x
  2. Step 2: Convert to fraction form
    52,078.38/71,867.78 = 28,204.50/x
  3. Step 3: Cross multiply
    52,078.38x = 71,867.78 × 28,204.50
  4. Step 4: Simplify right side
    52,078.38x = 2,026,994,801.01
  5. Step 5: Solve for x
    x = 2,026,994,801.01/52,078.38
  6. Step 6: Final answer
    x = 38,922.00

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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.