Home / 39,867.46-54,971.46-29,778.91

Finding the Fourth Proportional to 39,867.46, 54,971.46 and 29,778.91

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Solution

The fourth proportional to 39,867.46, 54,971.46 and 29,778.91 is: 41,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,867.46 : 54,971.46 = 29,778.91 : x
  2. Step 2: Convert to fraction form
    39,867.46/54,971.46 = 29,778.91/x
  3. Step 3: Cross multiply
    39,867.46x = 54,971.46 × 29,778.91
  4. Step 4: Simplify right side
    39,867.46x = 1,636,990,022.48
  5. Step 5: Solve for x
    x = 1,636,990,022.48/39,867.46
  6. Step 6: Final answer
    x = 41,060.81

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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.