Home / 40,163.04-55,429.92-23,397.12

Finding the Fourth Proportional to 40,163.04, 55,429.92 and 23,397.12

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Solution

The fourth proportional to 40,163.04, 55,429.92 and 23,397.12 is: 32,290.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,163.04 : 55,429.92 = 23,397.12 : x
  2. Step 2: Convert to fraction form
    40,163.04/55,429.92 = 23,397.12/x
  3. Step 3: Cross multiply
    40,163.04x = 55,429.92 × 23,397.12
  4. Step 4: Simplify right side
    40,163.04x = 1,296,900,489.83
  5. Step 5: Solve for x
    x = 1,296,900,489.83/40,163.04
  6. Step 6: Final answer
    x = 32,290.89

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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.