Home / 71,867.94-107,799.48-21,946.02

Finding the Fourth Proportional to 71,867.94, 107,799.48 and 21,946.02

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Solution

The fourth proportional to 71,867.94, 107,799.48 and 21,946.02 is: 32,918.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,867.94 : 107,799.48 = 21,946.02 : x
  2. Step 2: Convert to fraction form
    71,867.94/107,799.48 = 21,946.02/x
  3. Step 3: Cross multiply
    71,867.94x = 107,799.48 × 21,946.02
  4. Step 4: Simplify right side
    71,867.94x = 2,365,769,544.07
  5. Step 5: Solve for x
    x = 2,365,769,544.07/71,867.94
  6. Step 6: Final answer
    x = 32,918.29

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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.