Home / 31,731.64-43,794.27-18,300.22

Finding the Fourth Proportional to 31,731.64, 43,794.27 and 18,300.22

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Solution

The fourth proportional to 31,731.64, 43,794.27 and 18,300.22 is: 25,256.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,731.64 : 43,794.27 = 18,300.22 : x
  2. Step 2: Convert to fraction form
    31,731.64/43,794.27 = 18,300.22/x
  3. Step 3: Cross multiply
    31,731.64x = 43,794.27 × 18,300.22
  4. Step 4: Simplify right side
    31,731.64x = 801,444,775.74
  5. Step 5: Solve for x
    x = 801,444,775.74/31,731.64
  6. Step 6: Final answer
    x = 25,256.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.