Home / 57,560.78-86,336.98-18,129.17

Finding the Fourth Proportional to 57,560.78, 86,336.98 and 18,129.17

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Solution

The fourth proportional to 57,560.78, 86,336.98 and 18,129.17 is: 27,192.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,560.78 : 86,336.98 = 18,129.17 : x
  2. Step 2: Convert to fraction form
    57,560.78/86,336.98 = 18,129.17/x
  3. Step 3: Cross multiply
    57,560.78x = 86,336.98 × 18,129.17
  4. Step 4: Simplify right side
    57,560.78x = 1,565,217,958.23
  5. Step 5: Solve for x
    x = 1,565,217,958.23/57,560.78
  6. Step 6: Final answer
    x = 27,192.44

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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.