Home / 36,642.51-54,971.06-11,681.75

Finding the Fourth Proportional to 36,642.51, 54,971.06 and 11,681.75

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Solution

The fourth proportional to 36,642.51, 54,971.06 and 11,681.75 is: 17,524.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,642.51 : 54,971.06 = 11,681.75 : x
  2. Step 2: Convert to fraction form
    36,642.51/54,971.06 = 11,681.75/x
  3. Step 3: Cross multiply
    36,642.51x = 54,971.06 × 11,681.75
  4. Step 4: Simplify right side
    36,642.51x = 642,158,259.17
  5. Step 5: Solve for x
    x = 642,158,259.17/36,642.51
  6. Step 6: Final answer
    x = 17,524.95

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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.