Home / 38,167.09-52,667.97-21,170.66

Finding the Fourth Proportional to 38,167.09, 52,667.97 and 21,170.66

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Solution

The fourth proportional to 38,167.09, 52,667.97 and 21,170.66 is: 29,214.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,167.09 : 52,667.97 = 21,170.66 : x
  2. Step 2: Convert to fraction form
    38,167.09/52,667.97 = 21,170.66/x
  3. Step 3: Cross multiply
    38,167.09x = 52,667.97 × 21,170.66
  4. Step 4: Simplify right side
    38,167.09x = 1,115,015,685.76
  5. Step 5: Solve for x
    x = 1,115,015,685.76/38,167.09
  6. Step 6: Final answer
    x = 29,214.06

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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.