Home / 52,078.08-71,867.81-28,204.78

Finding the Fourth Proportional to 52,078.08, 71,867.81 and 28,204.78

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Solution

The fourth proportional to 52,078.08, 71,867.81 and 28,204.78 is: 38,922.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,078.08 : 71,867.81 = 28,204.78 : x
  2. Step 2: Convert to fraction form
    52,078.08/71,867.81 = 28,204.78/x
  3. Step 3: Cross multiply
    52,078.08x = 71,867.81 × 28,204.78
  4. Step 4: Simplify right side
    52,078.08x = 2,027,015,629.11
  5. Step 5: Solve for x
    x = 2,027,015,629.11/52,078.08
  6. Step 6: Final answer
    x = 38,922.63

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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.