Home / 39,412.32-54,371.61-26,660.94

Finding the Fourth Proportional to 39,412.32, 54,371.61 and 26,660.94

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Solution

The fourth proportional to 39,412.32, 54,371.61 and 26,660.94 is: 36,780.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,412.32 : 54,371.61 = 26,660.94 : x
  2. Step 2: Convert to fraction form
    39,412.32/54,371.61 = 26,660.94/x
  3. Step 3: Cross multiply
    39,412.32x = 54,371.61 × 26,660.94
  4. Step 4: Simplify right side
    39,412.32x = 1,449,598,231.91
  5. Step 5: Solve for x
    x = 1,449,598,231.91/39,412.32
  6. Step 6: Final answer
    x = 36,780.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.