Home / 52,091.39-71,885.88-28,218.14

Finding the Fourth Proportional to 52,091.39, 71,885.88 and 28,218.14

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Solution

The fourth proportional to 52,091.39, 71,885.88 and 28,218.14 is: 38,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,091.39 : 71,885.88 = 28,218.14 : x
  2. Step 2: Convert to fraction form
    52,091.39/71,885.88 = 28,218.14/x
  3. Step 3: Cross multiply
    52,091.39x = 71,885.88 × 28,218.14
  4. Step 4: Simplify right side
    52,091.39x = 2,028,485,466.43
  5. Step 5: Solve for x
    x = 2,028,485,466.43/52,091.39
  6. Step 6: Final answer
    x = 38,940.90

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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.