Home / 39,685.40-54,767.56-23,766.80

Finding the Fourth Proportional to 39,685.40, 54,767.56 and 23,766.80

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Solution

The fourth proportional to 39,685.40, 54,767.56 and 23,766.80 is: 32,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,685.40 : 54,767.56 = 23,766.80 : x
  2. Step 2: Convert to fraction form
    39,685.40/54,767.56 = 23,766.80/x
  3. Step 3: Cross multiply
    39,685.40x = 54,767.56 × 23,766.80
  4. Step 4: Simplify right side
    39,685.40x = 1,301,649,645.01
  5. Step 5: Solve for x
    x = 1,301,649,645.01/39,685.40
  6. Step 6: Final answer
    x = 32,799.21

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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.