Home / 57,682.06-86,561.69-20,242.30

Finding the Fourth Proportional to 57,682.06, 86,561.69 and 20,242.30

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Solution

The fourth proportional to 57,682.06, 86,561.69 and 20,242.30 is: 30,377.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,682.06 : 86,561.69 = 20,242.30 : x
  2. Step 2: Convert to fraction form
    57,682.06/86,561.69 = 20,242.30/x
  3. Step 3: Cross multiply
    57,682.06x = 86,561.69 × 20,242.30
  4. Step 4: Simplify right side
    57,682.06x = 1,752,207,697.49
  5. Step 5: Solve for x
    x = 1,752,207,697.49/57,682.06
  6. Step 6: Final answer
    x = 30,377.00

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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.