Home / 39,156.48-58,740.12-12,863.88

Finding the Fourth Proportional to 39,156.48, 58,740.12 and 12,863.88

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Solution

The fourth proportional to 39,156.48, 58,740.12 and 12,863.88 is: 19,297.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,156.48 : 58,740.12 = 12,863.88 : x
  2. Step 2: Convert to fraction form
    39,156.48/58,740.12 = 12,863.88/x
  3. Step 3: Cross multiply
    39,156.48x = 58,740.12 × 12,863.88
  4. Step 4: Simplify right side
    39,156.48x = 755,625,854.87
  5. Step 5: Solve for x
    x = 755,625,854.87/39,156.48
  6. Step 6: Final answer
    x = 19,297.59

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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.