Home / 50,878.26-76,331.07-21,280.50

Finding the Fourth Proportional to 50,878.26, 76,331.07 and 21,280.50

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Solution

The fourth proportional to 50,878.26, 76,331.07 and 21,280.50 is: 31,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,878.26 : 76,331.07 = 21,280.50 : x
  2. Step 2: Convert to fraction form
    50,878.26/76,331.07 = 21,280.50/x
  3. Step 3: Cross multiply
    50,878.26x = 76,331.07 × 21,280.50
  4. Step 4: Simplify right side
    50,878.26x = 1,624,363,335.14
  5. Step 5: Solve for x
    x = 1,624,363,335.14/50,878.26
  6. Step 6: Final answer
    x = 31,926.47

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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.