Home / 37,053.12-51,133.20-20,286

Finding the Fourth Proportional to 37,053.12, 51,133.20 and 20,286

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Solution

The fourth proportional to 37,053.12, 51,133.20 and 20,286 is: 27,994.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,053.12 : 51,133.20 = 20,286 : x
  2. Step 2: Convert to fraction form
    37,053.12/51,133.20 = 20,286/x
  3. Step 3: Cross multiply
    37,053.12x = 51,133.20 × 20,286
  4. Step 4: Simplify right side
    37,053.12x = 1,037,288,095.20
  5. Step 5: Solve for x
    x = 1,037,288,095.20/37,053.12
  6. Step 6: Final answer
    x = 27,994.62

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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.