Home / 36,705.30-55,039.32-15,637.20

Finding the Fourth Proportional to 36,705.30, 55,039.32 and 15,637.20

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Solution

The fourth proportional to 36,705.30, 55,039.32 and 15,637.20 is: 23,447.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,705.30 : 55,039.32 = 15,637.20 : x
  2. Step 2: Convert to fraction form
    36,705.30/55,039.32 = 15,637.20/x
  3. Step 3: Cross multiply
    36,705.30x = 55,039.32 × 15,637.20
  4. Step 4: Simplify right side
    36,705.30x = 860,660,854.70
  5. Step 5: Solve for x
    x = 860,660,854.70/36,705.30
  6. Step 6: Final answer
    x = 23,447.86

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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.