Home / 38,743.24-53,461.26-21,745.18

Finding the Fourth Proportional to 38,743.24, 53,461.26 and 21,745.18

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Solution

The fourth proportional to 38,743.24, 53,461.26 and 21,745.18 is: 30,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,743.24 : 53,461.26 = 21,745.18 : x
  2. Step 2: Convert to fraction form
    38,743.24/53,461.26 = 21,745.18/x
  3. Step 3: Cross multiply
    38,743.24x = 53,461.26 × 21,745.18
  4. Step 4: Simplify right side
    38,743.24x = 1,162,524,721.73
  5. Step 5: Solve for x
    x = 1,162,524,721.73/38,743.24
  6. Step 6: Final answer
    x = 30,005.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.