Home / 51,573.45-77,347.62-21,571.47

Finding the Fourth Proportional to 51,573.45, 77,347.62 and 21,571.47

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Solution

The fourth proportional to 51,573.45, 77,347.62 and 21,571.47 is: 32,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,573.45 : 77,347.62 = 21,571.47 : x
  2. Step 2: Convert to fraction form
    51,573.45/77,347.62 = 21,571.47/x
  3. Step 3: Cross multiply
    51,573.45x = 77,347.62 × 21,571.47
  4. Step 4: Simplify right side
    51,573.45x = 1,668,501,864.40
  5. Step 5: Solve for x
    x = 1,668,501,864.40/51,573.45
  6. Step 6: Final answer
    x = 32,351.95

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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.