Home / 39,660.57-54,734.40-26,208.45

Finding the Fourth Proportional to 39,660.57, 54,734.40 and 26,208.45

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Solution

The fourth proportional to 39,660.57, 54,734.40 and 26,208.45 is: 36,169.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.57 : 54,734.40 = 26,208.45 : x
  2. Step 2: Convert to fraction form
    39,660.57/54,734.40 = 26,208.45/x
  3. Step 3: Cross multiply
    39,660.57x = 54,734.40 × 26,208.45
  4. Step 4: Simplify right side
    39,660.57x = 1,434,503,785.68
  5. Step 5: Solve for x
    x = 1,434,503,785.68/39,660.57
  6. Step 6: Final answer
    x = 36,169.52

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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.