Home / 57,475.38-86,215.33-20,039.27

Finding the Fourth Proportional to 57,475.38, 86,215.33 and 20,039.27

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Solution

The fourth proportional to 57,475.38, 86,215.33 and 20,039.27 is: 30,059.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,475.38 : 86,215.33 = 20,039.27 : x
  2. Step 2: Convert to fraction form
    57,475.38/86,215.33 = 20,039.27/x
  3. Step 3: Cross multiply
    57,475.38x = 86,215.33 × 20,039.27
  4. Step 4: Simplify right side
    57,475.38x = 1,727,692,276.01
  5. Step 5: Solve for x
    x = 1,727,692,276.01/57,475.38
  6. Step 6: Final answer
    x = 30,059.69

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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.