Home / 38,163.96-52,662.51-21,167.91

Finding the Fourth Proportional to 38,163.96, 52,662.51 and 21,167.91

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Solution

The fourth proportional to 38,163.96, 52,662.51 and 21,167.91 is: 29,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,163.96 : 52,662.51 = 21,167.91 : x
  2. Step 2: Convert to fraction form
    38,163.96/52,662.51 = 21,167.91/x
  3. Step 3: Cross multiply
    38,163.96x = 52,662.51 × 21,167.91
  4. Step 4: Simplify right side
    38,163.96x = 1,114,755,272.05
  5. Step 5: Solve for x
    x = 1,114,755,272.05/38,163.96
  6. Step 6: Final answer
    x = 29,209.63

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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.