Home / 38,398.97-52,992.23-21,403.21

Finding the Fourth Proportional to 38,398.97, 52,992.23 and 21,403.21

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Solution

The fourth proportional to 38,398.97, 52,992.23 and 21,403.21 is: 29,537.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,398.97 : 52,992.23 = 21,403.21 : x
  2. Step 2: Convert to fraction form
    38,398.97/52,992.23 = 21,403.21/x
  3. Step 3: Cross multiply
    38,398.97x = 52,992.23 × 21,403.21
  4. Step 4: Simplify right side
    38,398.97x = 1,134,203,835.96
  5. Step 5: Solve for x
    x = 1,134,203,835.96/38,398.97
  6. Step 6: Final answer
    x = 29,537.35

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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.