Home / 40,020.46-55,230.36-23,027.29

Finding the Fourth Proportional to 40,020.46, 55,230.36 and 23,027.29

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Solution

The fourth proportional to 40,020.46, 55,230.36 and 23,027.29 is: 31,778.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,020.46 : 55,230.36 = 23,027.29 : x
  2. Step 2: Convert to fraction form
    40,020.46/55,230.36 = 23,027.29/x
  3. Step 3: Cross multiply
    40,020.46x = 55,230.36 × 23,027.29
  4. Step 4: Simplify right side
    40,020.46x = 1,271,805,474.25
  5. Step 5: Solve for x
    x = 1,271,805,474.25/40,020.46
  6. Step 6: Final answer
    x = 31,778.88

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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.