Home / 39,223.10-58,834.38-12,929.96

Finding the Fourth Proportional to 39,223.10, 58,834.38 and 12,929.96

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Solution

The fourth proportional to 39,223.10, 58,834.38 and 12,929.96 is: 19,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,223.10 : 58,834.38 = 12,929.96 : x
  2. Step 2: Convert to fraction form
    39,223.10/58,834.38 = 12,929.96/x
  3. Step 3: Cross multiply
    39,223.10x = 58,834.38 × 12,929.96
  4. Step 4: Simplify right side
    39,223.10x = 760,726,180.02
  5. Step 5: Solve for x
    x = 760,726,180.02/39,223.10
  6. Step 6: Final answer
    x = 19,394.85

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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.