Home / 38,161.97-52,663.67-21,167.79

Finding the Fourth Proportional to 38,161.97, 52,663.67 and 21,167.79

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Solution

The fourth proportional to 38,161.97, 52,663.67 and 21,167.79 is: 29,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,161.97 : 52,663.67 = 21,167.79 : x
  2. Step 2: Convert to fraction form
    38,161.97/52,663.67 = 21,167.79/x
  3. Step 3: Cross multiply
    38,161.97x = 52,663.67 × 21,167.79
  4. Step 4: Simplify right side
    38,161.97x = 1,114,773,401.35
  5. Step 5: Solve for x
    x = 1,114,773,401.35/38,161.97
  6. Step 6: Final answer
    x = 29,211.64

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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.