Home / 39,409.38-54,366.15-26,667.03

Finding the Fourth Proportional to 39,409.38, 54,366.15 and 26,667.03

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Solution

The fourth proportional to 39,409.38, 54,366.15 and 26,667.03 is: 36,787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,409.38 : 54,366.15 = 26,667.03 : x
  2. Step 2: Convert to fraction form
    39,409.38/54,366.15 = 26,667.03/x
  3. Step 3: Cross multiply
    39,409.38x = 54,366.15 × 26,667.03
  4. Step 4: Simplify right side
    39,409.38x = 1,449,783,753.03
  5. Step 5: Solve for x
    x = 1,449,783,753.03/39,409.38
  6. Step 6: Final answer
    x = 36,787.78

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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.