Home / 29,432.08-40,615.96-21,912.04

Finding the Fourth Proportional to 29,432.08, 40,615.96 and 21,912.04

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Solution

The fourth proportional to 29,432.08, 40,615.96 and 21,912.04 is: 30,238.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,432.08 : 40,615.96 = 21,912.04 : x
  2. Step 2: Convert to fraction form
    29,432.08/40,615.96 = 21,912.04/x
  3. Step 3: Cross multiply
    29,432.08x = 40,615.96 × 21,912.04
  4. Step 4: Simplify right side
    29,432.08x = 889,978,540.16
  5. Step 5: Solve for x
    x = 889,978,540.16/29,432.08
  6. Step 6: Final answer
    x = 30,238.38

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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.