Home / 57,091.25-85,651.16-21,552.50

Finding the Fourth Proportional to 57,091.25, 85,651.16 and 21,552.50

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Solution

The fourth proportional to 57,091.25, 85,651.16 and 21,552.50 is: 32,334.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,091.25 : 85,651.16 = 21,552.50 : x
  2. Step 2: Convert to fraction form
    57,091.25/85,651.16 = 21,552.50/x
  3. Step 3: Cross multiply
    57,091.25x = 85,651.16 × 21,552.50
  4. Step 4: Simplify right side
    57,091.25x = 1,845,996,732.27
  5. Step 5: Solve for x
    x = 1,845,996,732.27/57,091.25
  6. Step 6: Final answer
    x = 32,334.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.