Home / 49,979.20-74,977.20-14,922.40

Finding the Fourth Proportional to 49,979.20, 74,977.20 and 14,922.40

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Solution

The fourth proportional to 49,979.20, 74,977.20 and 14,922.40 is: 22,386.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,979.20 : 74,977.20 = 14,922.40 : x
  2. Step 2: Convert to fraction form
    49,979.20/74,977.20 = 14,922.40/x
  3. Step 3: Cross multiply
    49,979.20x = 74,977.20 × 14,922.40
  4. Step 4: Simplify right side
    49,979.20x = 1,118,839,769.28
  5. Step 5: Solve for x
    x = 1,118,839,769.28/49,979.20
  6. Step 6: Final answer
    x = 22,386.11

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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.