Home / 53,268.54-79,882.05-19,970.44

Finding the Fourth Proportional to 53,268.54, 79,882.05 and 19,970.44

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Solution

The fourth proportional to 53,268.54, 79,882.05 and 19,970.44 is: 29,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,268.54 : 79,882.05 = 19,970.44 : x
  2. Step 2: Convert to fraction form
    53,268.54/79,882.05 = 19,970.44/x
  3. Step 3: Cross multiply
    53,268.54x = 79,882.05 × 19,970.44
  4. Step 4: Simplify right side
    53,268.54x = 1,595,279,449.45
  5. Step 5: Solve for x
    x = 1,595,279,449.45/53,268.54
  6. Step 6: Final answer
    x = 29,947.87

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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.