Home / 39,854.40-59,709.60-23,200.80

Finding the Fourth Proportional to 39,854.40, 59,709.60 and 23,200.80

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Solution

The fourth proportional to 39,854.40, 59,709.60 and 23,200.80 is: 34,759.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,854.40 : 59,709.60 = 23,200.80 : x
  2. Step 2: Convert to fraction form
    39,854.40/59,709.60 = 23,200.80/x
  3. Step 3: Cross multiply
    39,854.40x = 59,709.60 × 23,200.80
  4. Step 4: Simplify right side
    39,854.40x = 1,385,310,487.68
  5. Step 5: Solve for x
    x = 1,385,310,487.68/39,854.40
  6. Step 6: Final answer
    x = 34,759.29

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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.