Home / 54,240.43-81,030.78-35,109.21

Finding the Fourth Proportional to 54,240.43, 81,030.78 and 35,109.21

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Solution

The fourth proportional to 54,240.43, 81,030.78 and 35,109.21 is: 52,450.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,240.43 : 81,030.78 = 35,109.21 : x
  2. Step 2: Convert to fraction form
    54,240.43/81,030.78 = 35,109.21/x
  3. Step 3: Cross multiply
    54,240.43x = 81,030.78 × 35,109.21
  4. Step 4: Simplify right side
    54,240.43x = 2,844,926,266.33
  5. Step 5: Solve for x
    x = 2,844,926,266.33/54,240.43
  6. Step 6: Final answer
    x = 52,450.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.