Home / 38,310.10-52,867.16-21,314

Finding the Fourth Proportional to 38,310.10, 52,867.16 and 21,314

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Solution

The fourth proportional to 38,310.10, 52,867.16 and 21,314 is: 29,412.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,310.10 : 52,867.16 = 21,314 : x
  2. Step 2: Convert to fraction form
    38,310.10/52,867.16 = 21,314/x
  3. Step 3: Cross multiply
    38,310.10x = 52,867.16 × 21,314
  4. Step 4: Simplify right side
    38,310.10x = 1,126,810,648.24
  5. Step 5: Solve for x
    x = 1,126,810,648.24/38,310.10
  6. Step 6: Final answer
    x = 29,412.89

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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.