Home / 49,977.75-74,987.34-21,883.30

Finding the Fourth Proportional to 49,977.75, 74,987.34 and 21,883.30

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Solution

The fourth proportional to 49,977.75, 74,987.34 and 21,883.30 is: 32,834.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,977.75 : 74,987.34 = 21,883.30 : x
  2. Step 2: Convert to fraction form
    49,977.75/74,987.34 = 21,883.30/x
  3. Step 3: Cross multiply
    49,977.75x = 74,987.34 × 21,883.30
  4. Step 4: Simplify right side
    49,977.75x = 1,640,970,457.42
  5. Step 5: Solve for x
    x = 1,640,970,457.42/49,977.75
  6. Step 6: Final answer
    x = 32,834.02

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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.