Home / 57,023.40-85,535.10-36,028.20

Finding the Fourth Proportional to 57,023.40, 85,535.10 and 36,028.20

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Solution

The fourth proportional to 57,023.40, 85,535.10 and 36,028.20 is: 54,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,023.40 : 85,535.10 = 36,028.20 : x
  2. Step 2: Convert to fraction form
    57,023.40/85,535.10 = 36,028.20/x
  3. Step 3: Cross multiply
    57,023.40x = 85,535.10 × 36,028.20
  4. Step 4: Simplify right side
    57,023.40x = 3,081,675,689.82
  5. Step 5: Solve for x
    x = 3,081,675,689.82/57,023.40
  6. Step 6: Final answer
    x = 54,042.30

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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.