Home / 38,321.28-57,431.30-29,402.51

Finding the Fourth Proportional to 38,321.28, 57,431.30 and 29,402.51

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Solution

The fourth proportional to 38,321.28, 57,431.30 and 29,402.51 is: 44,064.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,321.28 : 57,431.30 = 29,402.51 : x
  2. Step 2: Convert to fraction form
    38,321.28/57,431.30 = 29,402.51/x
  3. Step 3: Cross multiply
    38,321.28x = 57,431.30 × 29,402.51
  4. Step 4: Simplify right side
    38,321.28x = 1,688,623,938.39
  5. Step 5: Solve for x
    x = 1,688,623,938.39/38,321.28
  6. Step 6: Final answer
    x = 44,064.91

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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.