Home / 38,307.45-52,863.27-21,310.83

Finding the Fourth Proportional to 38,307.45, 52,863.27 and 21,310.83

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Solution

The fourth proportional to 38,307.45, 52,863.27 and 21,310.83 is: 29,408.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,307.45 : 52,863.27 = 21,310.83 : x
  2. Step 2: Convert to fraction form
    38,307.45/52,863.27 = 21,310.83/x
  3. Step 3: Cross multiply
    38,307.45x = 52,863.27 × 21,310.83
  4. Step 4: Simplify right side
    38,307.45x = 1,126,560,160.21
  5. Step 5: Solve for x
    x = 1,126,560,160.21/38,307.45
  6. Step 6: Final answer
    x = 29,408.38

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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.