Home / 38,826.56-58,205.28-18,038.72

Finding the Fourth Proportional to 38,826.56, 58,205.28 and 18,038.72

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Solution

The fourth proportional to 38,826.56, 58,205.28 and 18,038.72 is: 27,042.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,826.56 : 58,205.28 = 18,038.72 : x
  2. Step 2: Convert to fraction form
    38,826.56/58,205.28 = 18,038.72/x
  3. Step 3: Cross multiply
    38,826.56x = 58,205.28 × 18,038.72
  4. Step 4: Simplify right side
    38,826.56x = 1,049,948,748.44
  5. Step 5: Solve for x
    x = 1,049,948,748.44/38,826.56
  6. Step 6: Final answer
    x = 27,042.02

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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.