Home / 57,018.20-85,529.03-19,577.75

Finding the Fourth Proportional to 57,018.20, 85,529.03 and 19,577.75

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Solution

The fourth proportional to 57,018.20, 85,529.03 and 19,577.75 is: 29,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,018.20 : 85,529.03 = 19,577.75 : x
  2. Step 2: Convert to fraction form
    57,018.20/85,529.03 = 19,577.75/x
  3. Step 3: Cross multiply
    57,018.20x = 85,529.03 × 19,577.75
  4. Step 4: Simplify right side
    57,018.20x = 1,674,465,441.55
  5. Step 5: Solve for x
    x = 1,674,465,441.55/57,018.20
  6. Step 6: Final answer
    x = 29,367.21

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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.