Home / 38,078.67-57,154.92-18,371.07

Finding the Fourth Proportional to 38,078.67, 57,154.92 and 18,371.07

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Solution

The fourth proportional to 38,078.67, 57,154.92 and 18,371.07 is: 27,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,078.67 : 57,154.92 = 18,371.07 : x
  2. Step 2: Convert to fraction form
    38,078.67/57,154.92 = 18,371.07/x
  3. Step 3: Cross multiply
    38,078.67x = 57,154.92 × 18,371.07
  4. Step 4: Simplify right side
    38,078.67x = 1,049,997,036.16
  5. Step 5: Solve for x
    x = 1,049,997,036.16/38,078.67
  6. Step 6: Final answer
    x = 27,574.41

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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.