Home / 53,367.32-80,053.14-20,083.88

Finding the Fourth Proportional to 53,367.32, 80,053.14 and 20,083.88

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Solution

The fourth proportional to 53,367.32, 80,053.14 and 20,083.88 is: 30,126.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,367.32 : 80,053.14 = 20,083.88 : x
  2. Step 2: Convert to fraction form
    53,367.32/80,053.14 = 20,083.88/x
  3. Step 3: Cross multiply
    53,367.32x = 80,053.14 × 20,083.88
  4. Step 4: Simplify right side
    53,367.32x = 1,607,777,657.38
  5. Step 5: Solve for x
    x = 1,607,777,657.38/53,367.32
  6. Step 6: Final answer
    x = 30,126.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.