Home / 57,634.66-86,490.84-20,195.07

Finding the Fourth Proportional to 57,634.66, 86,490.84 and 20,195.07

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Solution

The fourth proportional to 57,634.66, 86,490.84 and 20,195.07 is: 30,306.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,634.66 : 86,490.84 = 20,195.07 : x
  2. Step 2: Convert to fraction form
    57,634.66/86,490.84 = 20,195.07/x
  3. Step 3: Cross multiply
    57,634.66x = 86,490.84 × 20,195.07
  4. Step 4: Simplify right side
    57,634.66x = 1,746,688,692.46
  5. Step 5: Solve for x
    x = 1,746,688,692.46/57,634.66
  6. Step 6: Final answer
    x = 30,306.22

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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.