Home / 39,255.21-58,874.49-12,953.70

Finding the Fourth Proportional to 39,255.21, 58,874.49 and 12,953.70

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Solution

The fourth proportional to 39,255.21, 58,874.49 and 12,953.70 is: 19,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,255.21 : 58,874.49 = 12,953.70 : x
  2. Step 2: Convert to fraction form
    39,255.21/58,874.49 = 12,953.70/x
  3. Step 3: Cross multiply
    39,255.21x = 58,874.49 × 12,953.70
  4. Step 4: Simplify right side
    39,255.21x = 762,642,481.11
  5. Step 5: Solve for x
    x = 762,642,481.11/39,255.21
  6. Step 6: Final answer
    x = 19,427.80

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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.