Home / 49,977.20-74,974.20-14,920.40

Finding the Fourth Proportional to 49,977.20, 74,974.20 and 14,920.40

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Solution

The fourth proportional to 49,977.20, 74,974.20 and 14,920.40 is: 22,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,977.20 : 74,974.20 = 14,920.40 : x
  2. Step 2: Convert to fraction form
    49,977.20/74,974.20 = 14,920.40/x
  3. Step 3: Cross multiply
    49,977.20x = 74,974.20 × 14,920.40
  4. Step 4: Simplify right side
    49,977.20x = 1,118,645,053.68
  5. Step 5: Solve for x
    x = 1,118,645,053.68/49,977.20
  6. Step 6: Final answer
    x = 22,383.11

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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.