Home / 37,512.05-51,764.71-20,512.99

Finding the Fourth Proportional to 37,512.05, 51,764.71 and 20,512.99

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Solution

The fourth proportional to 37,512.05, 51,764.71 and 20,512.99 is: 28,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,512.05 : 51,764.71 = 20,512.99 : x
  2. Step 2: Convert to fraction form
    37,512.05/51,764.71 = 20,512.99/x
  3. Step 3: Cross multiply
    37,512.05x = 51,764.71 × 20,512.99
  4. Step 4: Simplify right side
    37,512.05x = 1,061,849,030.47
  5. Step 5: Solve for x
    x = 1,061,849,030.47/37,512.05
  6. Step 6: Final answer
    x = 28,306.88

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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.