Home / 38,400.21-52,992.17-21,404.34

Finding the Fourth Proportional to 38,400.21, 52,992.17 and 21,404.34

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Solution

The fourth proportional to 38,400.21, 52,992.17 and 21,404.34 is: 29,537.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,400.21 : 52,992.17 = 21,404.34 : x
  2. Step 2: Convert to fraction form
    38,400.21/52,992.17 = 21,404.34/x
  3. Step 3: Cross multiply
    38,400.21x = 52,992.17 × 21,404.34
  4. Step 4: Simplify right side
    38,400.21x = 1,134,262,317.00
  5. Step 5: Solve for x
    x = 1,134,262,317.00/38,400.21
  6. Step 6: Final answer
    x = 29,537.92

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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.