Home / 31,525.91-47,149.44-28,040.39

Finding the Fourth Proportional to 31,525.91, 47,149.44 and 28,040.39

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Solution

The fourth proportional to 31,525.91, 47,149.44 and 28,040.39 is: 41,936.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,525.91 : 47,149.44 = 28,040.39 : x
  2. Step 2: Convert to fraction form
    31,525.91/47,149.44 = 28,040.39/x
  3. Step 3: Cross multiply
    31,525.91x = 47,149.44 × 28,040.39
  4. Step 4: Simplify right side
    31,525.91x = 1,322,088,685.88
  5. Step 5: Solve for x
    x = 1,322,088,685.88/31,525.91
  6. Step 6: Final answer
    x = 41,936.57

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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.