Home / 53,251.30-79,893.52-15,811.57

Finding the Fourth Proportional to 53,251.30, 79,893.52 and 15,811.57

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Solution

The fourth proportional to 53,251.30, 79,893.52 and 15,811.57 is: 23,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,251.30 : 79,893.52 = 15,811.57 : x
  2. Step 2: Convert to fraction form
    53,251.30/79,893.52 = 15,811.57/x
  3. Step 3: Cross multiply
    53,251.30x = 79,893.52 × 15,811.57
  4. Step 4: Simplify right side
    53,251.30x = 1,263,241,796.25
  5. Step 5: Solve for x
    x = 1,263,241,796.25/53,251.30
  6. Step 6: Final answer
    x = 23,722.27

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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.