Home / 40,021.34-55,223.82-23,019.12

Finding the Fourth Proportional to 40,021.34, 55,223.82 and 23,019.12

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Solution

The fourth proportional to 40,021.34, 55,223.82 and 23,019.12 is: 31,763.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,021.34 : 55,223.82 = 23,019.12 : x
  2. Step 2: Convert to fraction form
    40,021.34/55,223.82 = 23,019.12/x
  3. Step 3: Cross multiply
    40,021.34x = 55,223.82 × 23,019.12
  4. Step 4: Simplify right side
    40,021.34x = 1,271,203,739.44
  5. Step 5: Solve for x
    x = 1,271,203,739.44/40,021.34
  6. Step 6: Final answer
    x = 31,763.15

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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.