Home / 37,149.20-55,723.80-10,856.60

Finding the Fourth Proportional to 37,149.20, 55,723.80 and 10,856.60

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Solution

The fourth proportional to 37,149.20, 55,723.80 and 10,856.60 is: 16,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,149.20 : 55,723.80 = 10,856.60 : x
  2. Step 2: Convert to fraction form
    37,149.20/55,723.80 = 10,856.60/x
  3. Step 3: Cross multiply
    37,149.20x = 55,723.80 × 10,856.60
  4. Step 4: Simplify right side
    37,149.20x = 604,971,007.08
  5. Step 5: Solve for x
    x = 604,971,007.08/37,149.20
  6. Step 6: Final answer
    x = 16,284.90

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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.