Home / 38,311.97-52,867.40-21,316.23

Finding the Fourth Proportional to 38,311.97, 52,867.40 and 21,316.23

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Solution

The fourth proportional to 38,311.97, 52,867.40 and 21,316.23 is: 29,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311.97 : 52,867.40 = 21,316.23 : x
  2. Step 2: Convert to fraction form
    38,311.97/52,867.40 = 21,316.23/x
  3. Step 3: Cross multiply
    38,311.97x = 52,867.40 × 21,316.23
  4. Step 4: Simplify right side
    38,311.97x = 1,126,933,551.32
  5. Step 5: Solve for x
    x = 1,126,933,551.32/38,311.97
  6. Step 6: Final answer
    x = 29,414.66

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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.