Home / 53,268.97-79,882.68-19,970.86

Finding the Fourth Proportional to 53,268.97, 79,882.68 and 19,970.86

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Solution

The fourth proportional to 53,268.97, 79,882.68 and 19,970.86 is: 29,948.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,268.97 : 79,882.68 = 19,970.86 : x
  2. Step 2: Convert to fraction form
    53,268.97/79,882.68 = 19,970.86/x
  3. Step 3: Cross multiply
    53,268.97x = 79,882.68 × 19,970.86
  4. Step 4: Simplify right side
    53,268.97x = 1,595,325,619.00
  5. Step 5: Solve for x
    x = 1,595,325,619.00/53,268.97
  6. Step 6: Final answer
    x = 29,948.50

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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.