Home / 41,109.60-61,664.40-20,373.60

Finding the Fourth Proportional to 41,109.60, 61,664.40 and 20,373.60

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Solution

The fourth proportional to 41,109.60, 61,664.40 and 20,373.60 is: 30,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,109.60 : 61,664.40 = 20,373.60 : x
  2. Step 2: Convert to fraction form
    41,109.60/61,664.40 = 20,373.60/x
  3. Step 3: Cross multiply
    41,109.60x = 61,664.40 × 20,373.60
  4. Step 4: Simplify right side
    41,109.60x = 1,256,325,819.84
  5. Step 5: Solve for x
    x = 1,256,325,819.84/41,109.60
  6. Step 6: Final answer
    x = 30,560.40

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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.