Home / 36,360.06-54,526.59-12,661.53

Finding the Fourth Proportional to 36,360.06, 54,526.59 and 12,661.53

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Solution

The fourth proportional to 36,360.06, 54,526.59 and 12,661.53 is: 18,987.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,360.06 : 54,526.59 = 12,661.53 : x
  2. Step 2: Convert to fraction form
    36,360.06/54,526.59 = 12,661.53/x
  3. Step 3: Cross multiply
    36,360.06x = 54,526.59 × 12,661.53
  4. Step 4: Simplify right side
    36,360.06x = 690,389,814.10
  5. Step 5: Solve for x
    x = 690,389,814.10/36,360.06
  6. Step 6: Final answer
    x = 18,987.59

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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.