Home / 39,637.70-54,737.05-25,515.06

Finding the Fourth Proportional to 39,637.70, 54,737.05 and 25,515.06

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Solution

The fourth proportional to 39,637.70, 54,737.05 and 25,515.06 is: 35,234.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,637.70 : 54,737.05 = 25,515.06 : x
  2. Step 2: Convert to fraction form
    39,637.70/54,737.05 = 25,515.06/x
  3. Step 3: Cross multiply
    39,637.70x = 54,737.05 × 25,515.06
  4. Step 4: Simplify right side
    39,637.70x = 1,396,619,114.97
  5. Step 5: Solve for x
    x = 1,396,619,114.97/39,637.70
  6. Step 6: Final answer
    x = 35,234.62

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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.