Home / 31,821.10-43,911.91-17,674.85

Finding the Fourth Proportional to 31,821.10, 43,911.91 and 17,674.85

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Solution

The fourth proportional to 31,821.10, 43,911.91 and 17,674.85 is: 24,390.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,821.10 : 43,911.91 = 17,674.85 : x
  2. Step 2: Convert to fraction form
    31,821.10/43,911.91 = 17,674.85/x
  3. Step 3: Cross multiply
    31,821.10x = 43,911.91 × 17,674.85
  4. Step 4: Simplify right side
    31,821.10x = 776,136,422.46
  5. Step 5: Solve for x
    x = 776,136,422.46/31,821.10
  6. Step 6: Final answer
    x = 24,390.62

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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.