Home / 53,392.68-80,076.60-20,116.08

Finding the Fourth Proportional to 53,392.68, 80,076.60 and 20,116.08

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Solution

The fourth proportional to 53,392.68, 80,076.60 and 20,116.08 is: 30,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,392.68 : 80,076.60 = 20,116.08 : x
  2. Step 2: Convert to fraction form
    53,392.68/80,076.60 = 20,116.08/x
  3. Step 3: Cross multiply
    53,392.68x = 80,076.60 × 20,116.08
  4. Step 4: Simplify right side
    53,392.68x = 1,610,827,291.73
  5. Step 5: Solve for x
    x = 1,610,827,291.73/53,392.68
  6. Step 6: Final answer
    x = 30,169.44

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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.