Home / 38,471.15-57,659.65-21,845.09

Finding the Fourth Proportional to 38,471.15, 57,659.65 and 21,845.09

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Solution

The fourth proportional to 38,471.15, 57,659.65 and 21,845.09 is: 32,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,471.15 : 57,659.65 = 21,845.09 : x
  2. Step 2: Convert to fraction form
    38,471.15/57,659.65 = 21,845.09/x
  3. Step 3: Cross multiply
    38,471.15x = 57,659.65 × 21,845.09
  4. Step 4: Simplify right side
    38,471.15x = 1,259,580,333.15
  5. Step 5: Solve for x
    x = 1,259,580,333.15/38,471.15
  6. Step 6: Final answer
    x = 32,740.90

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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.