Home / 36,904.68-55,361.16-13,531.05

Finding the Fourth Proportional to 36,904.68, 55,361.16 and 13,531.05

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Solution

The fourth proportional to 36,904.68, 55,361.16 and 13,531.05 is: 20,298.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,904.68 : 55,361.16 = 13,531.05 : x
  2. Step 2: Convert to fraction form
    36,904.68/55,361.16 = 13,531.05/x
  3. Step 3: Cross multiply
    36,904.68x = 55,361.16 × 13,531.05
  4. Step 4: Simplify right side
    36,904.68x = 749,094,624.02
  5. Step 5: Solve for x
    x = 749,094,624.02/36,904.68
  6. Step 6: Final answer
    x = 20,298.09

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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.