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Finding the Fourth Proportional to 51,809.55, 77,714.33 and 18,545.55

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Solution

The fourth proportional to 51,809.55, 77,714.33 and 18,545.55 is: 27,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,809.55 : 77,714.33 = 18,545.55 : x
  2. Step 2: Convert to fraction form
    51,809.55/77,714.33 = 18,545.55/x
  3. Step 3: Cross multiply
    51,809.55x = 77,714.33 × 18,545.55
  4. Step 4: Simplify right side
    51,809.55x = 1,441,254,900.00
  5. Step 5: Solve for x
    x = 1,441,254,900.00/51,809.55
  6. Step 6: Final answer
    x = 27,818.33

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