Home / 36,578.88-54,862.71-11,615.69

Finding the Fourth Proportional to 36,578.88, 54,862.71 and 11,615.69

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Solution

The fourth proportional to 36,578.88, 54,862.71 and 11,615.69 is: 17,421.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,578.88 : 54,862.71 = 11,615.69 : x
  2. Step 2: Convert to fraction form
    36,578.88/54,862.71 = 11,615.69/x
  3. Step 3: Cross multiply
    36,578.88x = 54,862.71 × 11,615.69
  4. Step 4: Simplify right side
    36,578.88x = 637,267,957.61
  5. Step 5: Solve for x
    x = 637,267,957.61/36,578.88
  6. Step 6: Final answer
    x = 17,421.75

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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.