Home / 36,722.88-55,089.36-11,763.72

Finding the Fourth Proportional to 36,722.88, 55,089.36 and 11,763.72

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Solution

The fourth proportional to 36,722.88, 55,089.36 and 11,763.72 is: 17,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,722.88 : 55,089.36 = 11,763.72 : x
  2. Step 2: Convert to fraction form
    36,722.88/55,089.36 = 11,763.72/x
  3. Step 3: Cross multiply
    36,722.88x = 55,089.36 × 11,763.72
  4. Step 4: Simplify right side
    36,722.88x = 648,055,806.02
  5. Step 5: Solve for x
    x = 648,055,806.02/36,722.88
  6. Step 6: Final answer
    x = 17,647.19

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1.5x scale

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.