Home / 53,934.59-80,938.33-18,874.55

Finding the Fourth Proportional to 53,934.59, 80,938.33 and 18,874.55

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Solution

The fourth proportional to 53,934.59, 80,938.33 and 18,874.55 is: 28,324.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,934.59 : 80,938.33 = 18,874.55 : x
  2. Step 2: Convert to fraction form
    53,934.59/80,938.33 = 18,874.55/x
  3. Step 3: Cross multiply
    53,934.59x = 80,938.33 × 18,874.55
  4. Step 4: Simplify right side
    53,934.59x = 1,527,674,556.50
  5. Step 5: Solve for x
    x = 1,527,674,556.50/53,934.59
  6. Step 6: Final answer
    x = 28,324.58

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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.