Home / 31,433.81-47,151.11-9,247.66

Finding the Fourth Proportional to 31,433.81, 47,151.11 and 9,247.66

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Solution

The fourth proportional to 31,433.81, 47,151.11 and 9,247.66 is: 13,871.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,433.81 : 47,151.11 = 9,247.66 : x
  2. Step 2: Convert to fraction form
    31,433.81/47,151.11 = 9,247.66/x
  3. Step 3: Cross multiply
    31,433.81x = 47,151.11 × 9,247.66
  4. Step 4: Simplify right side
    31,433.81x = 436,037,339.14
  5. Step 5: Solve for x
    x = 436,037,339.14/31,433.81
  6. Step 6: Final answer
    x = 13,871.61

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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.