Home / 51,619.30-77,428.03-14,179.22

Finding the Fourth Proportional to 51,619.30, 77,428.03 and 14,179.22

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Solution

The fourth proportional to 51,619.30, 77,428.03 and 14,179.22 is: 21,268.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,619.30 : 77,428.03 = 14,179.22 : x
  2. Step 2: Convert to fraction form
    51,619.30/77,428.03 = 14,179.22/x
  3. Step 3: Cross multiply
    51,619.30x = 77,428.03 × 14,179.22
  4. Step 4: Simplify right side
    51,619.30x = 1,097,869,282.83
  5. Step 5: Solve for x
    x = 1,097,869,282.83/51,619.30
  6. Step 6: Final answer
    x = 21,268.58

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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.