Home / 21,118.10-31,633.26-10,033.52

Finding the Fourth Proportional to 21,118.10, 31,633.26 and 10,033.52

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Solution

The fourth proportional to 21,118.10, 31,633.26 and 10,033.52 is: 15,029.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,118.10 : 31,633.26 = 10,033.52 : x
  2. Step 2: Convert to fraction form
    21,118.10/31,633.26 = 10,033.52/x
  3. Step 3: Cross multiply
    21,118.10x = 31,633.26 × 10,033.52
  4. Step 4: Simplify right side
    21,118.10x = 317,392,946.88
  5. Step 5: Solve for x
    x = 317,392,946.88/21,118.10
  6. Step 6: Final answer
    x = 15,029.43

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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.