Home / 37,099.58-55,652.82-12,139.78

Finding the Fourth Proportional to 37,099.58, 55,652.82 and 12,139.78

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Solution

The fourth proportional to 37,099.58, 55,652.82 and 12,139.78 is: 18,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,099.58 : 55,652.82 = 12,139.78 : x
  2. Step 2: Convert to fraction form
    37,099.58/55,652.82 = 12,139.78/x
  3. Step 3: Cross multiply
    37,099.58x = 55,652.82 × 12,139.78
  4. Step 4: Simplify right side
    37,099.58x = 675,612,991.18
  5. Step 5: Solve for x
    x = 675,612,991.18/37,099.58
  6. Step 6: Final answer
    x = 18,210.80

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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.