Home / 51,049.49-76,574.23-15,991.88

Finding the Fourth Proportional to 51,049.49, 76,574.23 and 15,991.88

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Solution

The fourth proportional to 51,049.49, 76,574.23 and 15,991.88 is: 23,987.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,049.49 : 76,574.23 = 15,991.88 : x
  2. Step 2: Convert to fraction form
    51,049.49/76,574.23 = 15,991.88/x
  3. Step 3: Cross multiply
    51,049.49x = 76,574.23 × 15,991.88
  4. Step 4: Simplify right side
    51,049.49x = 1,224,565,474.40
  5. Step 5: Solve for x
    x = 1,224,565,474.40/51,049.49
  6. Step 6: Final answer
    x = 23,987.81

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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.