Home / 64,578.14-89,114.40-36,282

Finding the Fourth Proportional to 64,578.14, 89,114.40 and 36,282

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Solution

The fourth proportional to 64,578.14, 89,114.40 and 36,282 is: 50,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,578.14 : 89,114.40 = 36,282 : x
  2. Step 2: Convert to fraction form
    64,578.14/89,114.40 = 36,282/x
  3. Step 3: Cross multiply
    64,578.14x = 89,114.40 × 36,282
  4. Step 4: Simplify right side
    64,578.14x = 3,233,248,660.80
  5. Step 5: Solve for x
    x = 3,233,248,660.80/64,578.14
  6. Step 6: Final answer
    x = 50,067.23

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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.