Home / 53,955.68-80,934.30-20,677.44

Finding the Fourth Proportional to 53,955.68, 80,934.30 and 20,677.44

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Solution

The fourth proportional to 53,955.68, 80,934.30 and 20,677.44 is: 31,016.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,955.68 : 80,934.30 = 20,677.44 : x
  2. Step 2: Convert to fraction form
    53,955.68/80,934.30 = 20,677.44/x
  3. Step 3: Cross multiply
    53,955.68x = 80,934.30 × 20,677.44
  4. Step 4: Simplify right side
    53,955.68x = 1,673,514,132.19
  5. Step 5: Solve for x
    x = 1,673,514,132.19/53,955.68
  6. Step 6: Final answer
    x = 31,016.46

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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.