Home / 57,453.18-86,179.80-18,013.32

Finding the Fourth Proportional to 57,453.18, 86,179.80 and 18,013.32

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Solution

The fourth proportional to 57,453.18, 86,179.80 and 18,013.32 is: 27,019.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,453.18 : 86,179.80 = 18,013.32 : x
  2. Step 2: Convert to fraction form
    57,453.18/86,179.80 = 18,013.32/x
  3. Step 3: Cross multiply
    57,453.18x = 86,179.80 × 18,013.32
  4. Step 4: Simplify right side
    57,453.18x = 1,552,384,314.94
  5. Step 5: Solve for x
    x = 1,552,384,314.94/57,453.18
  6. Step 6: Final answer
    x = 27,019.99

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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.