Home / 53,221.92-79,844.60-15,784.92

Finding the Fourth Proportional to 53,221.92, 79,844.60 and 15,784.92

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Solution

The fourth proportional to 53,221.92, 79,844.60 and 15,784.92 is: 23,680.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,221.92 : 79,844.60 = 15,784.92 : x
  2. Step 2: Convert to fraction form
    53,221.92/79,844.60 = 15,784.92/x
  3. Step 3: Cross multiply
    53,221.92x = 79,844.60 × 15,784.92
  4. Step 4: Simplify right side
    53,221.92x = 1,260,340,623.43
  5. Step 5: Solve for x
    x = 1,260,340,623.43/53,221.92
  6. Step 6: Final answer
    x = 23,680.86

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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.