Home / 37,099.32-55,657.80-12,139.44

Finding the Fourth Proportional to 37,099.32, 55,657.80 and 12,139.44

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Solution

The fourth proportional to 37,099.32, 55,657.80 and 12,139.44 is: 18,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,099.32 : 55,657.80 = 12,139.44 : x
  2. Step 2: Convert to fraction form
    37,099.32/55,657.80 = 12,139.44/x
  3. Step 3: Cross multiply
    37,099.32x = 55,657.80 × 12,139.44
  4. Step 4: Simplify right side
    37,099.32x = 675,654,523.63
  5. Step 5: Solve for x
    x = 675,654,523.63/37,099.32
  6. Step 6: Final answer
    x = 18,212.05

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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.