Home / 37,111.96-55,659.30-12,145.60

Finding the Fourth Proportional to 37,111.96, 55,659.30 and 12,145.60

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Solution

The fourth proportional to 37,111.96, 55,659.30 and 12,145.60 is: 18,215.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,111.96 : 55,659.30 = 12,145.60 : x
  2. Step 2: Convert to fraction form
    37,111.96/55,659.30 = 12,145.60/x
  3. Step 3: Cross multiply
    37,111.96x = 55,659.30 × 12,145.60
  4. Step 4: Simplify right side
    37,111.96x = 676,015,594.08
  5. Step 5: Solve for x
    x = 676,015,594.08/37,111.96
  6. Step 6: Final answer
    x = 18,215.57

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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.