Home / 38,402.31-57,611.33-21,769.77

Finding the Fourth Proportional to 38,402.31, 57,611.33 and 21,769.77

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Solution

The fourth proportional to 38,402.31, 57,611.33 and 21,769.77 is: 32,659.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,402.31 : 57,611.33 = 21,769.77 : x
  2. Step 2: Convert to fraction form
    38,402.31/57,611.33 = 21,769.77/x
  3. Step 3: Cross multiply
    38,402.31x = 57,611.33 × 21,769.77
  4. Step 4: Simplify right side
    38,402.31x = 1,254,185,294.65
  5. Step 5: Solve for x
    x = 1,254,185,294.65/38,402.31
  6. Step 6: Final answer
    x = 32,659.11

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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.