Home / 51,112.04-76,643.78-17,828.06

Finding the Fourth Proportional to 51,112.04, 76,643.78 and 17,828.06

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Solution

The fourth proportional to 51,112.04, 76,643.78 and 17,828.06 is: 26,733.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,112.04 : 76,643.78 = 17,828.06 : x
  2. Step 2: Convert to fraction form
    51,112.04/76,643.78 = 17,828.06/x
  3. Step 3: Cross multiply
    51,112.04x = 76,643.78 × 17,828.06
  4. Step 4: Simplify right side
    51,112.04x = 1,366,409,908.47
  5. Step 5: Solve for x
    x = 1,366,409,908.47/51,112.04
  6. Step 6: Final answer
    x = 26,733.62

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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.