Home / 39,008.76-58,518-12,706.44

Finding the Fourth Proportional to 39,008.76, 58,518 and 12,706.44

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Solution

The fourth proportional to 39,008.76, 58,518 and 12,706.44 is: 19,061.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,008.76 : 58,518 = 12,706.44 : x
  2. Step 2: Convert to fraction form
    39,008.76/58,518 = 12,706.44/x
  3. Step 3: Cross multiply
    39,008.76x = 58,518 × 12,706.44
  4. Step 4: Simplify right side
    39,008.76x = 743,555,455.92
  5. Step 5: Solve for x
    x = 743,555,455.92/39,008.76
  6. Step 6: Final answer
    x = 19,061.24

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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.