Home / 37,120.48-51,227.28-21,207.52

Finding the Fourth Proportional to 37,120.48, 51,227.28 and 21,207.52

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Solution

The fourth proportional to 37,120.48, 51,227.28 and 21,207.52 is: 29,266.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,120.48 : 51,227.28 = 21,207.52 : x
  2. Step 2: Convert to fraction form
    37,120.48/51,227.28 = 21,207.52/x
  3. Step 3: Cross multiply
    37,120.48x = 51,227.28 × 21,207.52
  4. Step 4: Simplify right side
    37,120.48x = 1,086,403,565.15
  5. Step 5: Solve for x
    x = 1,086,403,565.15/37,120.48
  6. Step 6: Final answer
    x = 29,266.96

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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.