Home / 38,151.36-57,239.49-18,432.18

Finding the Fourth Proportional to 38,151.36, 57,239.49 and 18,432.18

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Solution

The fourth proportional to 38,151.36, 57,239.49 and 18,432.18 is: 27,654.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,151.36 : 57,239.49 = 18,432.18 : x
  2. Step 2: Convert to fraction form
    38,151.36/57,239.49 = 18,432.18/x
  3. Step 3: Cross multiply
    38,151.36x = 57,239.49 × 18,432.18
  4. Step 4: Simplify right side
    38,151.36x = 1,055,048,582.79
  5. Step 5: Solve for x
    x = 1,055,048,582.79/38,151.36
  6. Step 6: Final answer
    x = 27,654.29

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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.