Home / 37,470.78-56,193.75-12,503.88

Finding the Fourth Proportional to 37,470.78, 56,193.75 and 12,503.88

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Solution

The fourth proportional to 37,470.78, 56,193.75 and 12,503.88 is: 18,751.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,470.78 : 56,193.75 = 12,503.88 : x
  2. Step 2: Convert to fraction form
    37,470.78/56,193.75 = 12,503.88/x
  3. Step 3: Cross multiply
    37,470.78x = 56,193.75 × 12,503.88
  4. Step 4: Simplify right side
    37,470.78x = 702,639,906.75
  5. Step 5: Solve for x
    x = 702,639,906.75/37,470.78
  6. Step 6: Final answer
    x = 18,751.68

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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.