Home / 39,187.20-58,694.40-27,436.80

Finding the Fourth Proportional to 39,187.20, 58,694.40 and 27,436.80

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Solution

The fourth proportional to 39,187.20, 58,694.40 and 27,436.80 is: 41,094.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,187.20 : 58,694.40 = 27,436.80 : x
  2. Step 2: Convert to fraction form
    39,187.20/58,694.40 = 27,436.80/x
  3. Step 3: Cross multiply
    39,187.20x = 58,694.40 × 27,436.80
  4. Step 4: Simplify right side
    39,187.20x = 1,610,386,513.92
  5. Step 5: Solve for x
    x = 1,610,386,513.92/39,187.20
  6. Step 6: Final answer
    x = 41,094.71

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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.