Home / 53,755.21-74,182.71-29,557.42

Finding the Fourth Proportional to 53,755.21, 74,182.71 and 29,557.42

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Solution

The fourth proportional to 53,755.21, 74,182.71 and 29,557.42 is: 40,789.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,755.21 : 74,182.71 = 29,557.42 : x
  2. Step 2: Convert to fraction form
    53,755.21/74,182.71 = 29,557.42/x
  3. Step 3: Cross multiply
    53,755.21x = 74,182.71 × 29,557.42
  4. Step 4: Simplify right side
    53,755.21x = 2,192,649,516.21
  5. Step 5: Solve for x
    x = 2,192,649,516.21/53,755.21
  6. Step 6: Final answer
    x = 40,789.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.