Home / 52,091.45-71,886.55-28,218.13

Finding the Fourth Proportional to 52,091.45, 71,886.55 and 28,218.13

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Solution

The fourth proportional to 52,091.45, 71,886.55 and 28,218.13 is: 38,941.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,091.45 : 71,886.55 = 28,218.13 : x
  2. Step 2: Convert to fraction form
    52,091.45/71,886.55 = 28,218.13/x
  3. Step 3: Cross multiply
    52,091.45x = 71,886.55 × 28,218.13
  4. Step 4: Simplify right side
    52,091.45x = 2,028,504,013.15
  5. Step 5: Solve for x
    x = 2,028,504,013.15/52,091.45
  6. Step 6: Final answer
    x = 38,941.21

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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.