Home / 54,091.26-81,066.20-39,148.69

Finding the Fourth Proportional to 54,091.26, 81,066.20 and 39,148.69

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Solution

The fourth proportional to 54,091.26, 81,066.20 and 39,148.69 is: 58,671.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,091.26 : 81,066.20 = 39,148.69 : x
  2. Step 2: Convert to fraction form
    54,091.26/81,066.20 = 39,148.69/x
  3. Step 3: Cross multiply
    54,091.26x = 81,066.20 × 39,148.69
  4. Step 4: Simplify right side
    54,091.26x = 3,173,635,533.28
  5. Step 5: Solve for x
    x = 3,173,635,533.28/54,091.26
  6. Step 6: Final answer
    x = 58,671.87

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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.