Home / 36,785.51-55,186.43-13,411.88

Finding the Fourth Proportional to 36,785.51, 55,186.43 and 13,411.88

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Solution

The fourth proportional to 36,785.51, 55,186.43 and 13,411.88 is: 20,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,785.51 : 55,186.43 = 13,411.88 : x
  2. Step 2: Convert to fraction form
    36,785.51/55,186.43 = 13,411.88/x
  3. Step 3: Cross multiply
    36,785.51x = 55,186.43 × 13,411.88
  4. Step 4: Simplify right side
    36,785.51x = 740,153,776.79
  5. Step 5: Solve for x
    x = 740,153,776.79/36,785.51
  6. Step 6: Final answer
    x = 20,120.80

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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.