Home / 38,289.91-57,429.82-13,324.63

Finding the Fourth Proportional to 38,289.91, 57,429.82 and 13,324.63

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Solution

The fourth proportional to 38,289.91, 57,429.82 and 13,324.63 is: 19,985.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,289.91 : 57,429.82 = 13,324.63 : x
  2. Step 2: Convert to fraction form
    38,289.91/57,429.82 = 13,324.63/x
  3. Step 3: Cross multiply
    38,289.91x = 57,429.82 × 13,324.63
  4. Step 4: Simplify right side
    38,289.91x = 765,231,102.47
  5. Step 5: Solve for x
    x = 765,231,102.47/38,289.91
  6. Step 6: Final answer
    x = 19,985.19

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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.