Home / 40,005.06-55,205.10-22,101.36

Finding the Fourth Proportional to 40,005.06, 55,205.10 and 22,101.36

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Solution

The fourth proportional to 40,005.06, 55,205.10 and 22,101.36 is: 30,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,005.06 : 55,205.10 = 22,101.36 : x
  2. Step 2: Convert to fraction form
    40,005.06/55,205.10 = 22,101.36/x
  3. Step 3: Cross multiply
    40,005.06x = 55,205.10 × 22,101.36
  4. Step 4: Simplify right side
    40,005.06x = 1,220,107,788.94
  5. Step 5: Solve for x
    x = 1,220,107,788.94/40,005.06
  6. Step 6: Final answer
    x = 30,498.84

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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.