Home / 39,067.95-58,614.48-12,766.71

Finding the Fourth Proportional to 39,067.95, 58,614.48 and 12,766.71

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Solution

The fourth proportional to 39,067.95, 58,614.48 and 12,766.71 is: 19,154.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,067.95 : 58,614.48 = 12,766.71 : x
  2. Step 2: Convert to fraction form
    39,067.95/58,614.48 = 12,766.71/x
  3. Step 3: Cross multiply
    39,067.95x = 58,614.48 × 12,766.71
  4. Step 4: Simplify right side
    39,067.95x = 748,314,067.96
  5. Step 5: Solve for x
    x = 748,314,067.96/39,067.95
  6. Step 6: Final answer
    x = 19,154.17

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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.