Home / 36,913.22-55,369.98-13,539.66

Finding the Fourth Proportional to 36,913.22, 55,369.98 and 13,539.66

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Solution

The fourth proportional to 36,913.22, 55,369.98 and 13,539.66 is: 20,309.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,913.22 : 55,369.98 = 13,539.66 : x
  2. Step 2: Convert to fraction form
    36,913.22/55,369.98 = 13,539.66/x
  3. Step 3: Cross multiply
    36,913.22x = 55,369.98 × 13,539.66
  4. Step 4: Simplify right side
    36,913.22x = 749,690,495.77
  5. Step 5: Solve for x
    x = 749,690,495.77/36,913.22
  6. Step 6: Final answer
    x = 20,309.54

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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.