Home / 40,029.35-55,235.70-22,121.91

Finding the Fourth Proportional to 40,029.35, 55,235.70 and 22,121.91

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Solution

The fourth proportional to 40,029.35, 55,235.70 and 22,121.91 is: 30,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,029.35 : 55,235.70 = 22,121.91 : x
  2. Step 2: Convert to fraction form
    40,029.35/55,235.70 = 22,121.91/x
  3. Step 3: Cross multiply
    40,029.35x = 55,235.70 × 22,121.91
  4. Step 4: Simplify right side
    40,029.35x = 1,221,919,184.19
  5. Step 5: Solve for x
    x = 1,221,919,184.19/40,029.35
  6. Step 6: Final answer
    x = 30,525.59

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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.