Home / 36,381.70-54,580.77-11,421.66

Finding the Fourth Proportional to 36,381.70, 54,580.77 and 11,421.66

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Solution

The fourth proportional to 36,381.70, 54,580.77 and 11,421.66 is: 17,135.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,381.70 : 54,580.77 = 11,421.66 : x
  2. Step 2: Convert to fraction form
    36,381.70/54,580.77 = 11,421.66/x
  3. Step 3: Cross multiply
    36,381.70x = 54,580.77 × 11,421.66
  4. Step 4: Simplify right side
    36,381.70x = 623,402,997.48
  5. Step 5: Solve for x
    x = 623,402,997.48/36,381.70
  6. Step 6: Final answer
    x = 17,135.07

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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.