Home / 38,369.76-57,513.96-18,621.24

Finding the Fourth Proportional to 38,369.76, 57,513.96 and 18,621.24

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Solution

The fourth proportional to 38,369.76, 57,513.96 and 18,621.24 is: 27,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,369.76 : 57,513.96 = 18,621.24 : x
  2. Step 2: Convert to fraction form
    38,369.76/57,513.96 = 18,621.24/x
  3. Step 3: Cross multiply
    38,369.76x = 57,513.96 × 18,621.24
  4. Step 4: Simplify right side
    38,369.76x = 1,070,981,252.51
  5. Step 5: Solve for x
    x = 1,070,981,252.51/38,369.76
  6. Step 6: Final answer
    x = 27,912.12

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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.