Home / 37,819.86-56,732.40-12,849.72

Finding the Fourth Proportional to 37,819.86, 56,732.40 and 12,849.72

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Solution

The fourth proportional to 37,819.86, 56,732.40 and 12,849.72 is: 19,275.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,819.86 : 56,732.40 = 12,849.72 : x
  2. Step 2: Convert to fraction form
    37,819.86/56,732.40 = 12,849.72/x
  3. Step 3: Cross multiply
    37,819.86x = 56,732.40 × 12,849.72
  4. Step 4: Simplify right side
    37,819.86x = 728,995,454.93
  5. Step 5: Solve for x
    x = 728,995,454.93/37,819.86
  6. Step 6: Final answer
    x = 19,275.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.