Home / 49,966.20-74,931.66-21,899.88

Finding the Fourth Proportional to 49,966.20, 74,931.66 and 21,899.88

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Solution

The fourth proportional to 49,966.20, 74,931.66 and 21,899.88 is: 32,842.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,966.20 : 74,931.66 = 21,899.88 : x
  2. Step 2: Convert to fraction form
    49,966.20/74,931.66 = 21,899.88/x
  3. Step 3: Cross multiply
    49,966.20x = 74,931.66 × 21,899.88
  4. Step 4: Simplify right side
    49,966.20x = 1,640,994,362.20
  5. Step 5: Solve for x
    x = 1,640,994,362.20/49,966.20
  6. Step 6: Final answer
    x = 32,842.09

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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.