Home / 38,745.90-53,462.26-21,747.82

Finding the Fourth Proportional to 38,745.90, 53,462.26 and 21,747.82

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Solution

The fourth proportional to 38,745.90, 53,462.26 and 21,747.82 is: 30,008.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,745.90 : 53,462.26 = 21,747.82 : x
  2. Step 2: Convert to fraction form
    38,745.90/53,462.26 = 21,747.82/x
  3. Step 3: Cross multiply
    38,745.90x = 53,462.26 × 21,747.82
  4. Step 4: Simplify right side
    38,745.90x = 1,162,687,607.27
  5. Step 5: Solve for x
    x = 1,162,687,607.27/38,745.90
  6. Step 6: Final answer
    x = 30,008.02

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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.