Home / 57,228.20-85,855.35-17,789.30

Finding the Fourth Proportional to 57,228.20, 85,855.35 and 17,789.30

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Solution

The fourth proportional to 57,228.20, 85,855.35 and 17,789.30 is: 26,688.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,228.20 : 85,855.35 = 17,789.30 : x
  2. Step 2: Convert to fraction form
    57,228.20/85,855.35 = 17,789.30/x
  3. Step 3: Cross multiply
    57,228.20x = 85,855.35 × 17,789.30
  4. Step 4: Simplify right side
    57,228.20x = 1,527,306,577.76
  5. Step 5: Solve for x
    x = 1,527,306,577.76/57,228.20
  6. Step 6: Final answer
    x = 26,688.01

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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.