Home / 31,336.18-43,232.13-20,006.10

Finding the Fourth Proportional to 31,336.18, 43,232.13 and 20,006.10

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Solution

The fourth proportional to 31,336.18, 43,232.13 and 20,006.10 is: 27,600.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.18 : 43,232.13 = 20,006.10 : x
  2. Step 2: Convert to fraction form
    31,336.18/43,232.13 = 20,006.10/x
  3. Step 3: Cross multiply
    31,336.18x = 43,232.13 × 20,006.10
  4. Step 4: Simplify right side
    31,336.18x = 864,906,315.99
  5. Step 5: Solve for x
    x = 864,906,315.99/31,336.18
  6. Step 6: Final answer
    x = 27,600.89

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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.