Home / 31,384.21-47,083.45-10,324.46

Finding the Fourth Proportional to 31,384.21, 47,083.45 and 10,324.46

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Solution

The fourth proportional to 31,384.21, 47,083.45 and 10,324.46 is: 15,489.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,384.21 : 47,083.45 = 10,324.46 : x
  2. Step 2: Convert to fraction form
    31,384.21/47,083.45 = 10,324.46/x
  3. Step 3: Cross multiply
    31,384.21x = 47,083.45 × 10,324.46
  4. Step 4: Simplify right side
    31,384.21x = 486,111,336.48
  5. Step 5: Solve for x
    x = 486,111,336.48/31,384.21
  6. Step 6: Final answer
    x = 15,489.04

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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.