Home / 38,431.54-57,312.02-34,183.90

Finding the Fourth Proportional to 38,431.54, 57,312.02 and 34,183.90

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Solution

The fourth proportional to 38,431.54, 57,312.02 and 34,183.90 is: 50,977.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,431.54 : 57,312.02 = 34,183.90 : x
  2. Step 2: Convert to fraction form
    38,431.54/57,312.02 = 34,183.90/x
  3. Step 3: Cross multiply
    38,431.54x = 57,312.02 × 34,183.90
  4. Step 4: Simplify right side
    38,431.54x = 1,959,148,360.48
  5. Step 5: Solve for x
    x = 1,959,148,360.48/38,431.54
  6. Step 6: Final answer
    x = 50,977.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.