Home / 36,090.74-54,141.21-11,132.82

Finding the Fourth Proportional to 36,090.74, 54,141.21 and 11,132.82

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Solution

The fourth proportional to 36,090.74, 54,141.21 and 11,132.82 is: 16,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,090.74 : 54,141.21 = 11,132.82 : x
  2. Step 2: Convert to fraction form
    36,090.74/54,141.21 = 11,132.82/x
  3. Step 3: Cross multiply
    36,090.74x = 54,141.21 × 11,132.82
  4. Step 4: Simplify right side
    36,090.74x = 602,744,345.51
  5. Step 5: Solve for x
    x = 602,744,345.51/36,090.74
  6. Step 6: Final answer
    x = 16,700.80

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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.