Home / 39,113.69-58,679.03-12,817.44

Finding the Fourth Proportional to 39,113.69, 58,679.03 and 12,817.44

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Solution

The fourth proportional to 39,113.69, 58,679.03 and 12,817.44 is: 19,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,113.69 : 58,679.03 = 12,817.44 : x
  2. Step 2: Convert to fraction form
    39,113.69/58,679.03 = 12,817.44/x
  3. Step 3: Cross multiply
    39,113.69x = 58,679.03 × 12,817.44
  4. Step 4: Simplify right side
    39,113.69x = 752,114,978.33
  5. Step 5: Solve for x
    x = 752,114,978.33/39,113.69
  6. Step 6: Final answer
    x = 19,228.95

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1.5x scale

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.