Home / 57,458.11-86,187.17-18,018.40

Finding the Fourth Proportional to 57,458.11, 86,187.17 and 18,018.40

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Solution

The fourth proportional to 57,458.11, 86,187.17 and 18,018.40 is: 27,027.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,458.11 : 86,187.17 = 18,018.40 : x
  2. Step 2: Convert to fraction form
    57,458.11/86,187.17 = 18,018.40/x
  3. Step 3: Cross multiply
    57,458.11x = 86,187.17 × 18,018.40
  4. Step 4: Simplify right side
    57,458.11x = 1,552,954,813.84
  5. Step 5: Solve for x
    x = 1,552,954,813.84/57,458.11
  6. Step 6: Final answer
    x = 27,027.60

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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.