Home / 39,788.43-54,866.34-29,700.69

Finding the Fourth Proportional to 39,788.43, 54,866.34 and 29,700.69

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Solution

The fourth proportional to 39,788.43, 54,866.34 and 29,700.69 is: 40,955.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,788.43 : 54,866.34 = 29,700.69 : x
  2. Step 2: Convert to fraction form
    39,788.43/54,866.34 = 29,700.69/x
  3. Step 3: Cross multiply
    39,788.43x = 54,866.34 × 29,700.69
  4. Step 4: Simplify right side
    39,788.43x = 1,629,568,155.77
  5. Step 5: Solve for x
    x = 1,629,568,155.77/39,788.43
  6. Step 6: Final answer
    x = 40,955.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.