Home / 31,588.30-43,576.95-18,834.22

Finding the Fourth Proportional to 31,588.30, 43,576.95 and 18,834.22

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Solution

The fourth proportional to 31,588.30, 43,576.95 and 18,834.22 is: 25,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,588.30 : 43,576.95 = 18,834.22 : x
  2. Step 2: Convert to fraction form
    31,588.30/43,576.95 = 18,834.22/x
  3. Step 3: Cross multiply
    31,588.30x = 43,576.95 × 18,834.22
  4. Step 4: Simplify right side
    31,588.30x = 820,737,863.23
  5. Step 5: Solve for x
    x = 820,737,863.23/31,588.30
  6. Step 6: Final answer
    x = 25,982.34

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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.