Home / 53,273.30-79,888.07-19,976.22

Finding the Fourth Proportional to 53,273.30, 79,888.07 and 19,976.22

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Solution

The fourth proportional to 53,273.30, 79,888.07 and 19,976.22 is: 29,956.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,273.30 : 79,888.07 = 19,976.22 : x
  2. Step 2: Convert to fraction form
    53,273.30/79,888.07 = 19,976.22/x
  3. Step 3: Cross multiply
    53,273.30x = 79,888.07 × 19,976.22
  4. Step 4: Simplify right side
    53,273.30x = 1,595,861,711.64
  5. Step 5: Solve for x
    x = 1,595,861,711.64/53,273.30
  6. Step 6: Final answer
    x = 29,956.13

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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.