Home / 39,115.14-58,677.04-12,451.80

Finding the Fourth Proportional to 39,115.14, 58,677.04 and 12,451.80

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Solution

The fourth proportional to 39,115.14, 58,677.04 and 12,451.80 is: 18,679.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,115.14 : 58,677.04 = 12,451.80 : x
  2. Step 2: Convert to fraction form
    39,115.14/58,677.04 = 12,451.80/x
  3. Step 3: Cross multiply
    39,115.14x = 58,677.04 × 12,451.80
  4. Step 4: Simplify right side
    39,115.14x = 730,634,766.67
  5. Step 5: Solve for x
    x = 730,634,766.67/39,115.14
  6. Step 6: Final answer
    x = 18,679.08

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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.