Home / 49,450-74,184.30-19,870.18

Finding the Fourth Proportional to 49,450, 74,184.30 and 19,870.18

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Solution

The fourth proportional to 49,450, 74,184.30 and 19,870.18 is: 29,809.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,450 : 74,184.30 = 19,870.18 : x
  2. Step 2: Convert to fraction form
    49,450/74,184.30 = 19,870.18/x
  3. Step 3: Cross multiply
    49,450x = 74,184.30 × 19,870.18
  4. Step 4: Simplify right side
    49,450x = 1,474,055,394.17
  5. Step 5: Solve for x
    x = 1,474,055,394.17/49,450
  6. Step 6: Final answer
    x = 29,809.01

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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.