Home / 39,449.32-54,445.22-22,450.27

Finding the Fourth Proportional to 39,449.32, 54,445.22 and 22,450.27

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Solution

The fourth proportional to 39,449.32, 54,445.22 and 22,450.27 is: 30,984.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,449.32 : 54,445.22 = 22,450.27 : x
  2. Step 2: Convert to fraction form
    39,449.32/54,445.22 = 22,450.27/x
  3. Step 3: Cross multiply
    39,449.32x = 54,445.22 × 22,450.27
  4. Step 4: Simplify right side
    39,449.32x = 1,222,309,889.21
  5. Step 5: Solve for x
    x = 1,222,309,889.21/39,449.32
  6. Step 6: Final answer
    x = 30,984.31

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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.