Home / 31,447.46-47,161.16-10,383.56

Finding the Fourth Proportional to 31,447.46, 47,161.16 and 10,383.56

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Solution

The fourth proportional to 31,447.46, 47,161.16 and 10,383.56 is: 15,572.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,447.46 : 47,161.16 = 10,383.56 : x
  2. Step 2: Convert to fraction form
    31,447.46/47,161.16 = 10,383.56/x
  3. Step 3: Cross multiply
    31,447.46x = 47,161.16 × 10,383.56
  4. Step 4: Simplify right side
    31,447.46x = 489,700,734.53
  5. Step 5: Solve for x
    x = 489,700,734.53/31,447.46
  6. Step 6: Final answer
    x = 15,572.03

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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.