Home / 39,165.08-58,735.18-12,863.70

Finding the Fourth Proportional to 39,165.08, 58,735.18 and 12,863.70

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Solution

The fourth proportional to 39,165.08, 58,735.18 and 12,863.70 is: 19,291.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,165.08 : 58,735.18 = 12,863.70 : x
  2. Step 2: Convert to fraction form
    39,165.08/58,735.18 = 12,863.70/x
  3. Step 3: Cross multiply
    39,165.08x = 58,735.18 × 12,863.70
  4. Step 4: Simplify right side
    39,165.08x = 755,551,734.97
  5. Step 5: Solve for x
    x = 755,551,734.97/39,165.08
  6. Step 6: Final answer
    x = 19,291.46

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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.