Home / 32,212.23-44,439.75-21,605.28

Finding the Fourth Proportional to 32,212.23, 44,439.75 and 21,605.28

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Solution

The fourth proportional to 32,212.23, 44,439.75 and 21,605.28 is: 29,806.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,212.23 : 44,439.75 = 21,605.28 : x
  2. Step 2: Convert to fraction form
    32,212.23/44,439.75 = 21,605.28/x
  3. Step 3: Cross multiply
    32,212.23x = 44,439.75 × 21,605.28
  4. Step 4: Simplify right side
    32,212.23x = 960,133,241.88
  5. Step 5: Solve for x
    x = 960,133,241.88/32,212.23
  6. Step 6: Final answer
    x = 29,806.48

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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.