Home / 73,316.24-109,973.40-17,912.72

Finding the Fourth Proportional to 73,316.24, 109,973.40 and 17,912.72

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Solution

The fourth proportional to 73,316.24, 109,973.40 and 17,912.72 is: 26,868.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,316.24 : 109,973.40 = 17,912.72 : x
  2. Step 2: Convert to fraction form
    73,316.24/109,973.40 = 17,912.72/x
  3. Step 3: Cross multiply
    73,316.24x = 109,973.40 × 17,912.72
  4. Step 4: Simplify right side
    73,316.24x = 1,969,922,721.65
  5. Step 5: Solve for x
    x = 1,969,922,721.65/73,316.24
  6. Step 6: Final answer
    x = 26,868.85

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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.