Home / 40,108.74-55,349.40-22,203.36

Finding the Fourth Proportional to 40,108.74, 55,349.40 and 22,203.36

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Solution

The fourth proportional to 40,108.74, 55,349.40 and 22,203.36 is: 30,640.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,108.74 : 55,349.40 = 22,203.36 : x
  2. Step 2: Convert to fraction form
    40,108.74/55,349.40 = 22,203.36/x
  3. Step 3: Cross multiply
    40,108.74x = 55,349.40 × 22,203.36
  4. Step 4: Simplify right side
    40,108.74x = 1,228,942,653.98
  5. Step 5: Solve for x
    x = 1,228,942,653.98/40,108.74
  6. Step 6: Final answer
    x = 30,640.27

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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.