Home / 41,084.80-61,627.20-13,385.60

Finding the Fourth Proportional to 41,084.80, 61,627.20 and 13,385.60

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Solution

The fourth proportional to 41,084.80, 61,627.20 and 13,385.60 is: 20,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,084.80 : 61,627.20 = 13,385.60 : x
  2. Step 2: Convert to fraction form
    41,084.80/61,627.20 = 13,385.60/x
  3. Step 3: Cross multiply
    41,084.80x = 61,627.20 × 13,385.60
  4. Step 4: Simplify right side
    41,084.80x = 824,917,048.32
  5. Step 5: Solve for x
    x = 824,917,048.32/41,084.80
  6. Step 6: Final answer
    x = 20,078.40

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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.