Home / 53,273.88-79,890.05-19,975.80

Finding the Fourth Proportional to 53,273.88, 79,890.05 and 19,975.80

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Solution

The fourth proportional to 53,273.88, 79,890.05 and 19,975.80 is: 29,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,273.88 : 79,890.05 = 19,975.80 : x
  2. Step 2: Convert to fraction form
    53,273.88/79,890.05 = 19,975.80/x
  3. Step 3: Cross multiply
    53,273.88x = 79,890.05 × 19,975.80
  4. Step 4: Simplify right side
    53,273.88x = 1,595,867,560.91
  5. Step 5: Solve for x
    x = 1,595,867,560.91/53,273.88
  6. Step 6: Final answer
    x = 29,955.91

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1.5x scale

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.