Home / 39,903.60-59,855.40-25,906.80

Finding the Fourth Proportional to 39,903.60, 59,855.40 and 25,906.80

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Solution

The fourth proportional to 39,903.60, 59,855.40 and 25,906.80 is: 38,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,903.60 : 59,855.40 = 25,906.80 : x
  2. Step 2: Convert to fraction form
    39,903.60/59,855.40 = 25,906.80/x
  3. Step 3: Cross multiply
    39,903.60x = 59,855.40 × 25,906.80
  4. Step 4: Simplify right side
    39,903.60x = 1,550,661,876.72
  5. Step 5: Solve for x
    x = 1,550,661,876.72/39,903.60
  6. Step 6: Final answer
    x = 38,860.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.