Home / 38,602.10-57,921.62-21,748.53

Finding the Fourth Proportional to 38,602.10, 57,921.62 and 21,748.53

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Solution

The fourth proportional to 38,602.10, 57,921.62 and 21,748.53 is: 32,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,602.10 : 57,921.62 = 21,748.53 : x
  2. Step 2: Convert to fraction form
    38,602.10/57,921.62 = 21,748.53/x
  3. Step 3: Cross multiply
    38,602.10x = 57,921.62 × 21,748.53
  4. Step 4: Simplify right side
    38,602.10x = 1,259,710,198.68
  5. Step 5: Solve for x
    x = 1,259,710,198.68/38,602.10
  6. Step 6: Final answer
    x = 32,633.20

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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.