Home / 23,250.60-34,811.10-20,917.80

Finding the Fourth Proportional to 23,250.60, 34,811.10 and 20,917.80

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Solution

The fourth proportional to 23,250.60, 34,811.10 and 20,917.80 is: 31,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,250.60 : 34,811.10 = 20,917.80 : x
  2. Step 2: Convert to fraction form
    23,250.60/34,811.10 = 20,917.80/x
  3. Step 3: Cross multiply
    23,250.60x = 34,811.10 × 20,917.80
  4. Step 4: Simplify right side
    23,250.60x = 728,171,627.58
  5. Step 5: Solve for x
    x = 728,171,627.58/23,250.60
  6. Step 6: Final answer
    x = 31,318.40

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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.