Home / 51,943.50-77,928.21-15,007.50

Finding the Fourth Proportional to 51,943.50, 77,928.21 and 15,007.50

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Solution

The fourth proportional to 51,943.50, 77,928.21 and 15,007.50 is: 22,514.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,943.50 : 77,928.21 = 15,007.50 : x
  2. Step 2: Convert to fraction form
    51,943.50/77,928.21 = 15,007.50/x
  3. Step 3: Cross multiply
    51,943.50x = 77,928.21 × 15,007.50
  4. Step 4: Simplify right side
    51,943.50x = 1,169,507,611.58
  5. Step 5: Solve for x
    x = 1,169,507,611.58/51,943.50
  6. Step 6: Final answer
    x = 22,514.99

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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.