Home / 60,578.28-90,860.94-21,136.14

Finding the Fourth Proportional to 60,578.28, 90,860.94 and 21,136.14

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Solution

The fourth proportional to 60,578.28, 90,860.94 and 21,136.14 is: 31,701.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,578.28 : 90,860.94 = 21,136.14 : x
  2. Step 2: Convert to fraction form
    60,578.28/90,860.94 = 21,136.14/x
  3. Step 3: Cross multiply
    60,578.28x = 90,860.94 × 21,136.14
  4. Step 4: Simplify right side
    60,578.28x = 1,920,449,548.37
  5. Step 5: Solve for x
    x = 1,920,449,548.37/60,578.28
  6. Step 6: Final answer
    x = 31,701.95

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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.