Home / 40,021.46-55,231.74-23,028.29

Finding the Fourth Proportional to 40,021.46, 55,231.74 and 23,028.29

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Solution

The fourth proportional to 40,021.46, 55,231.74 and 23,028.29 is: 31,780.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,021.46 : 55,231.74 = 23,028.29 : x
  2. Step 2: Convert to fraction form
    40,021.46/55,231.74 = 23,028.29/x
  3. Step 3: Cross multiply
    40,021.46x = 55,231.74 × 23,028.29
  4. Step 4: Simplify right side
    40,021.46x = 1,271,892,525.92
  5. Step 5: Solve for x
    x = 1,271,892,525.92/40,021.46
  6. Step 6: Final answer
    x = 31,780.26

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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.