Home / 37,768.10-56,657.55-12,809.30

Finding the Fourth Proportional to 37,768.10, 56,657.55 and 12,809.30

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Solution

The fourth proportional to 37,768.10, 56,657.55 and 12,809.30 is: 19,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,768.10 : 56,657.55 = 12,809.30 : x
  2. Step 2: Convert to fraction form
    37,768.10/56,657.55 = 12,809.30/x
  3. Step 3: Cross multiply
    37,768.10x = 56,657.55 × 12,809.30
  4. Step 4: Simplify right side
    37,768.10x = 725,743,555.22
  5. Step 5: Solve for x
    x = 725,743,555.22/37,768.10
  6. Step 6: Final answer
    x = 19,215.78

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1.5x scale

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.