Home / 31,381.16-43,344.32-23,458.55

Finding the Fourth Proportional to 31,381.16, 43,344.32 and 23,458.55

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Solution

The fourth proportional to 31,381.16, 43,344.32 and 23,458.55 is: 32,401.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,381.16 : 43,344.32 = 23,458.55 : x
  2. Step 2: Convert to fraction form
    31,381.16/43,344.32 = 23,458.55/x
  3. Step 3: Cross multiply
    31,381.16x = 43,344.32 × 23,458.55
  4. Step 4: Simplify right side
    31,381.16x = 1,016,794,563.92
  5. Step 5: Solve for x
    x = 1,016,794,563.92/31,381.16
  6. Step 6: Final answer
    x = 32,401.44

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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.