Home / 40,581.60-60,872.40-26,584.80

Finding the Fourth Proportional to 40,581.60, 60,872.40 and 26,584.80

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Solution

The fourth proportional to 40,581.60, 60,872.40 and 26,584.80 is: 39,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,581.60 : 60,872.40 = 26,584.80 : x
  2. Step 2: Convert to fraction form
    40,581.60/60,872.40 = 26,584.80/x
  3. Step 3: Cross multiply
    40,581.60x = 60,872.40 × 26,584.80
  4. Step 4: Simplify right side
    40,581.60x = 1,618,280,579.52
  5. Step 5: Solve for x
    x = 1,618,280,579.52/40,581.60
  6. Step 6: Final answer
    x = 39,877.20

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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.