Home / 38,286.22-52,832.34-21,289.12

Finding the Fourth Proportional to 38,286.22, 52,832.34 and 21,289.12

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Solution

The fourth proportional to 38,286.22, 52,832.34 and 21,289.12 is: 29,377.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,286.22 : 52,832.34 = 21,289.12 : x
  2. Step 2: Convert to fraction form
    38,286.22/52,832.34 = 21,289.12/x
  3. Step 3: Cross multiply
    38,286.22x = 52,832.34 × 21,289.12
  4. Step 4: Simplify right side
    38,286.22x = 1,124,754,026.14
  5. Step 5: Solve for x
    x = 1,124,754,026.14/38,286.22
  6. Step 6: Final answer
    x = 29,377.52

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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.