Home / 51,822.94-77,726.15-18,536.80

Finding the Fourth Proportional to 51,822.94, 77,726.15 and 18,536.80

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Solution

The fourth proportional to 51,822.94, 77,726.15 and 18,536.80 is: 27,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,822.94 : 77,726.15 = 18,536.80 : x
  2. Step 2: Convert to fraction form
    51,822.94/77,726.15 = 18,536.80/x
  3. Step 3: Cross multiply
    51,822.94x = 77,726.15 × 18,536.80
  4. Step 4: Simplify right side
    51,822.94x = 1,440,794,097.32
  5. Step 5: Solve for x
    x = 1,440,794,097.32/51,822.94
  6. Step 6: Final answer
    x = 27,802.25

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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.