Home / 38,541.61-57,811.51-17,765.11

Finding the Fourth Proportional to 38,541.61, 57,811.51 and 17,765.11

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Solution

The fourth proportional to 38,541.61, 57,811.51 and 17,765.11 is: 26,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,541.61 : 57,811.51 = 17,765.11 : x
  2. Step 2: Convert to fraction form
    38,541.61/57,811.51 = 17,765.11/x
  3. Step 3: Cross multiply
    38,541.61x = 57,811.51 × 17,765.11
  4. Step 4: Simplify right side
    38,541.61x = 1,027,027,500.95
  5. Step 5: Solve for x
    x = 1,027,027,500.95/38,541.61
  6. Step 6: Final answer
    x = 26,647.24

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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.