Home / 36,819.32-55,232.01-13,117.68

Finding the Fourth Proportional to 36,819.32, 55,232.01 and 13,117.68

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Solution

The fourth proportional to 36,819.32, 55,232.01 and 13,117.68 is: 19,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,819.32 : 55,232.01 = 13,117.68 : x
  2. Step 2: Convert to fraction form
    36,819.32/55,232.01 = 13,117.68/x
  3. Step 3: Cross multiply
    36,819.32x = 55,232.01 × 13,117.68
  4. Step 4: Simplify right side
    36,819.32x = 724,515,832.94
  5. Step 5: Solve for x
    x = 724,515,832.94/36,819.32
  6. Step 6: Final answer
    x = 19,677.60

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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.