Home / 57,458.75-86,188.16-18,018.95

Finding the Fourth Proportional to 57,458.75, 86,188.16 and 18,018.95

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Solution

The fourth proportional to 57,458.75, 86,188.16 and 18,018.95 is: 27,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,458.75 : 86,188.16 = 18,018.95 : x
  2. Step 2: Convert to fraction form
    57,458.75/86,188.16 = 18,018.95/x
  3. Step 3: Cross multiply
    57,458.75x = 86,188.16 × 18,018.95
  4. Step 4: Simplify right side
    57,458.75x = 1,553,019,759.74
  5. Step 5: Solve for x
    x = 1,553,019,759.74/57,458.75
  6. Step 6: Final answer
    x = 27,028.43

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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.