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Finding the Fourth Proportional to 39,375.60, 59,085 and 18,598.56

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Solution

The fourth proportional to 39,375.60, 59,085 and 18,598.56 is: 27,908.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,375.60 : 59,085 = 18,598.56 : x
  2. Step 2: Convert to fraction form
    39,375.60/59,085 = 18,598.56/x
  3. Step 3: Cross multiply
    39,375.60x = 59,085 × 18,598.56
  4. Step 4: Simplify right side
    39,375.60x = 1,098,895,917.60
  5. Step 5: Solve for x
    x = 1,098,895,917.60/39,375.60
  6. Step 6: Final answer
    x = 27,908.04

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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.