Home / 39,089.40-58,634.10-12,796.80

Finding the Fourth Proportional to 39,089.40, 58,634.10 and 12,796.80

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Solution

The fourth proportional to 39,089.40, 58,634.10 and 12,796.80 is: 19,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,089.40 : 58,634.10 = 12,796.80 : x
  2. Step 2: Convert to fraction form
    39,089.40/58,634.10 = 12,796.80/x
  3. Step 3: Cross multiply
    39,089.40x = 58,634.10 × 12,796.80
  4. Step 4: Simplify right side
    39,089.40x = 750,328,850.88
  5. Step 5: Solve for x
    x = 750,328,850.88/39,089.40
  6. Step 6: Final answer
    x = 19,195.20

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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.