Home / 37,178.13-55,755.36-12,212.38

Finding the Fourth Proportional to 37,178.13, 55,755.36 and 12,212.38

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Solution

The fourth proportional to 37,178.13, 55,755.36 and 12,212.38 is: 18,314.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,178.13 : 55,755.36 = 12,212.38 : x
  2. Step 2: Convert to fraction form
    37,178.13/55,755.36 = 12,212.38/x
  3. Step 3: Cross multiply
    37,178.13x = 55,755.36 × 12,212.38
  4. Step 4: Simplify right side
    37,178.13x = 680,905,825.80
  5. Step 5: Solve for x
    x = 680,905,825.80/37,178.13
  6. Step 6: Final answer
    x = 18,314.69

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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.