Home / 54,033.35-81,078.57-38,339.80

Finding the Fourth Proportional to 54,033.35, 81,078.57 and 38,339.80

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Solution

The fourth proportional to 54,033.35, 81,078.57 and 38,339.80 is: 57,529.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,033.35 : 81,078.57 = 38,339.80 : x
  2. Step 2: Convert to fraction form
    54,033.35/81,078.57 = 38,339.80/x
  3. Step 3: Cross multiply
    54,033.35x = 81,078.57 × 38,339.80
  4. Step 4: Simplify right side
    54,033.35x = 3,108,535,955.39
  5. Step 5: Solve for x
    x = 3,108,535,955.39/54,033.35
  6. Step 6: Final answer
    x = 57,529.96

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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.