Home / 37,018.59-51,085.22-21,102.99

Finding the Fourth Proportional to 37,018.59, 51,085.22 and 21,102.99

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Solution

The fourth proportional to 37,018.59, 51,085.22 and 21,102.99 is: 29,121.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,018.59 : 51,085.22 = 21,102.99 : x
  2. Step 2: Convert to fraction form
    37,018.59/51,085.22 = 21,102.99/x
  3. Step 3: Cross multiply
    37,018.59x = 51,085.22 × 21,102.99
  4. Step 4: Simplify right side
    37,018.59x = 1,078,050,781.29
  5. Step 5: Solve for x
    x = 1,078,050,781.29/37,018.59
  6. Step 6: Final answer
    x = 29,121.88

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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.