Home / 37,151.72-51,269.38-21,236.52

Finding the Fourth Proportional to 37,151.72, 51,269.38 and 21,236.52

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Solution

The fourth proportional to 37,151.72, 51,269.38 and 21,236.52 is: 29,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,151.72 : 51,269.38 = 21,236.52 : x
  2. Step 2: Convert to fraction form
    37,151.72/51,269.38 = 21,236.52/x
  3. Step 3: Cross multiply
    37,151.72x = 51,269.38 × 21,236.52
  4. Step 4: Simplify right side
    37,151.72x = 1,088,782,968.41
  5. Step 5: Solve for x
    x = 1,088,782,968.41/37,151.72
  6. Step 6: Final answer
    x = 29,306.39

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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.