Home / 53,934.52-80,938.20-18,874.48

Finding the Fourth Proportional to 53,934.52, 80,938.20 and 18,874.48

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Solution

The fourth proportional to 53,934.52, 80,938.20 and 18,874.48 is: 28,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,934.52 : 80,938.20 = 18,874.48 : x
  2. Step 2: Convert to fraction form
    53,934.52/80,938.20 = 18,874.48/x
  3. Step 3: Cross multiply
    53,934.52x = 80,938.20 × 18,874.48
  4. Step 4: Simplify right side
    53,934.52x = 1,527,666,437.14
  5. Step 5: Solve for x
    x = 1,527,666,437.14/53,934.52
  6. Step 6: Final answer
    x = 28,324.47

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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.