Home / 38,205.14-52,729.37-21,214.82

Finding the Fourth Proportional to 38,205.14, 52,729.37 and 21,214.82

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Solution

The fourth proportional to 38,205.14, 52,729.37 and 21,214.82 is: 29,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,205.14 : 52,729.37 = 21,214.82 : x
  2. Step 2: Convert to fraction form
    38,205.14/52,729.37 = 21,214.82/x
  3. Step 3: Cross multiply
    38,205.14x = 52,729.37 × 21,214.82
  4. Step 4: Simplify right side
    38,205.14x = 1,118,643,723.54
  5. Step 5: Solve for x
    x = 1,118,643,723.54/38,205.14
  6. Step 6: Final answer
    x = 29,279.93

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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.