Home / 37,587.87-56,388.32-12,630.36

Finding the Fourth Proportional to 37,587.87, 56,388.32 and 12,630.36

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Solution

The fourth proportional to 37,587.87, 56,388.32 and 12,630.36 is: 18,947.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,587.87 : 56,388.32 = 12,630.36 : x
  2. Step 2: Convert to fraction form
    37,587.87/56,388.32 = 12,630.36/x
  3. Step 3: Cross multiply
    37,587.87x = 56,388.32 × 12,630.36
  4. Step 4: Simplify right side
    37,587.87x = 712,204,718.24
  5. Step 5: Solve for x
    x = 712,204,718.24/37,587.87
  6. Step 6: Final answer
    x = 18,947.73

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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.