Home / 38,505.42-57,659.58-21,840.48

Finding the Fourth Proportional to 38,505.42, 57,659.58 and 21,840.48

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Solution

The fourth proportional to 38,505.42, 57,659.58 and 21,840.48 is: 32,704.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,505.42 : 57,659.58 = 21,840.48 : x
  2. Step 2: Convert to fraction form
    38,505.42/57,659.58 = 21,840.48/x
  3. Step 3: Cross multiply
    38,505.42x = 57,659.58 × 21,840.48
  4. Step 4: Simplify right side
    38,505.42x = 1,259,312,903.80
  5. Step 5: Solve for x
    x = 1,259,312,903.80/38,505.42
  6. Step 6: Final answer
    x = 32,704.82

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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.