Home / 31,941.72-47,868.84-20,234.16

Finding the Fourth Proportional to 31,941.72, 47,868.84 and 20,234.16

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Solution

The fourth proportional to 31,941.72, 47,868.84 and 20,234.16 is: 30,323.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,941.72 : 47,868.84 = 20,234.16 : x
  2. Step 2: Convert to fraction form
    31,941.72/47,868.84 = 20,234.16/x
  3. Step 3: Cross multiply
    31,941.72x = 47,868.84 × 20,234.16
  4. Step 4: Simplify right side
    31,941.72x = 968,585,767.57
  5. Step 5: Solve for x
    x = 968,585,767.57/31,941.72
  6. Step 6: Final answer
    x = 30,323.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.