Home / 37,121.29-55,676.84-12,158.37

Finding the Fourth Proportional to 37,121.29, 55,676.84 and 12,158.37

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Solution

The fourth proportional to 37,121.29, 55,676.84 and 12,158.37 is: 18,235.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,121.29 : 55,676.84 = 12,158.37 : x
  2. Step 2: Convert to fraction form
    37,121.29/55,676.84 = 12,158.37/x
  3. Step 3: Cross multiply
    37,121.29x = 55,676.84 × 12,158.37
  4. Step 4: Simplify right side
    37,121.29x = 676,939,560.36
  5. Step 5: Solve for x
    x = 676,939,560.36/37,121.29
  6. Step 6: Final answer
    x = 18,235.89

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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.