Home / 31,536.32-43,523.36-20,059.20

Finding the Fourth Proportional to 31,536.32, 43,523.36 and 20,059.20

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Solution

The fourth proportional to 31,536.32, 43,523.36 and 20,059.20 is: 27,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536.32 : 43,523.36 = 20,059.20 : x
  2. Step 2: Convert to fraction form
    31,536.32/43,523.36 = 20,059.20/x
  3. Step 3: Cross multiply
    31,536.32x = 43,523.36 × 20,059.20
  4. Step 4: Simplify right side
    31,536.32x = 873,043,782.91
  5. Step 5: Solve for x
    x = 873,043,782.91/31,536.32
  6. Step 6: Final answer
    x = 27,683.76

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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.