Home / 54,055.58-81,078.42-38,328.08

Finding the Fourth Proportional to 54,055.58, 81,078.42 and 38,328.08

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Solution

The fourth proportional to 54,055.58, 81,078.42 and 38,328.08 is: 57,488.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,055.58 : 81,078.42 = 38,328.08 : x
  2. Step 2: Convert to fraction form
    54,055.58/81,078.42 = 38,328.08/x
  3. Step 3: Cross multiply
    54,055.58x = 81,078.42 × 38,328.08
  4. Step 4: Simplify right side
    54,055.58x = 3,107,580,168.03
  5. Step 5: Solve for x
    x = 3,107,580,168.03/54,055.58
  6. Step 6: Final answer
    x = 57,488.61

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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.