Home / 40,013.64-55,217.34-22,108.28

Finding the Fourth Proportional to 40,013.64, 55,217.34 and 22,108.28

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Solution

The fourth proportional to 40,013.64, 55,217.34 and 22,108.28 is: 30,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,013.64 : 55,217.34 = 22,108.28 : x
  2. Step 2: Convert to fraction form
    40,013.64/55,217.34 = 22,108.28/x
  3. Step 3: Cross multiply
    40,013.64x = 55,217.34 × 22,108.28
  4. Step 4: Simplify right side
    40,013.64x = 1,220,760,137.49
  5. Step 5: Solve for x
    x = 1,220,760,137.49/40,013.64
  6. Step 6: Final answer
    x = 30,508.60

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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.