Home / 37,821.35-52,193.64-21,689.25

Finding the Fourth Proportional to 37,821.35, 52,193.64 and 21,689.25

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Solution

The fourth proportional to 37,821.35, 52,193.64 and 21,689.25 is: 29,931.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,821.35 : 52,193.64 = 21,689.25 : x
  2. Step 2: Convert to fraction form
    37,821.35/52,193.64 = 21,689.25/x
  3. Step 3: Cross multiply
    37,821.35x = 52,193.64 × 21,689.25
  4. Step 4: Simplify right side
    37,821.35x = 1,132,040,906.37
  5. Step 5: Solve for x
    x = 1,132,040,906.37/37,821.35
  6. Step 6: Final answer
    x = 29,931.27

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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.