Home / 37,520.56-56,236.86-20,872.72

Finding the Fourth Proportional to 37,520.56, 56,236.86 and 20,872.72

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Solution

The fourth proportional to 37,520.56, 56,236.86 and 20,872.72 is: 31,284.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,520.56 : 56,236.86 = 20,872.72 : x
  2. Step 2: Convert to fraction form
    37,520.56/56,236.86 = 20,872.72/x
  3. Step 3: Cross multiply
    37,520.56x = 56,236.86 × 20,872.72
  4. Step 4: Simplify right side
    37,520.56x = 1,173,816,232.46
  5. Step 5: Solve for x
    x = 1,173,816,232.46/37,520.56
  6. Step 6: Final answer
    x = 31,284.61

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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.