Home / 53,540.19-80,253.77-17,967.78

Finding the Fourth Proportional to 53,540.19, 80,253.77 and 17,967.78

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Solution

The fourth proportional to 53,540.19, 80,253.77 and 17,967.78 is: 26,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,540.19 : 80,253.77 = 17,967.78 : x
  2. Step 2: Convert to fraction form
    53,540.19/80,253.77 = 17,967.78/x
  3. Step 3: Cross multiply
    53,540.19x = 80,253.77 × 17,967.78
  4. Step 4: Simplify right side
    53,540.19x = 1,441,981,592.42
  5. Step 5: Solve for x
    x = 1,441,981,592.42/53,540.19
  6. Step 6: Final answer
    x = 26,932.70

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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.