Home / 38,321.29-52,884.39-21,326.68

Finding the Fourth Proportional to 38,321.29, 52,884.39 and 21,326.68

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Solution

The fourth proportional to 38,321.29, 52,884.39 and 21,326.68 is: 29,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,321.29 : 52,884.39 = 21,326.68 : x
  2. Step 2: Convert to fraction form
    38,321.29/52,884.39 = 21,326.68/x
  3. Step 3: Cross multiply
    38,321.29x = 52,884.39 × 21,326.68
  4. Step 4: Simplify right side
    38,321.29x = 1,127,848,462.53
  5. Step 5: Solve for x
    x = 1,127,848,462.53/38,321.29
  6. Step 6: Final answer
    x = 29,431.38

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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.