Home / 40,135.32-55,384.30-22,229.26

Finding the Fourth Proportional to 40,135.32, 55,384.30 and 22,229.26

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Solution

The fourth proportional to 40,135.32, 55,384.30 and 22,229.26 is: 30,675.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,135.32 : 55,384.30 = 22,229.26 : x
  2. Step 2: Convert to fraction form
    40,135.32/55,384.30 = 22,229.26/x
  3. Step 3: Cross multiply
    40,135.32x = 55,384.30 × 22,229.26
  4. Step 4: Simplify right side
    40,135.32x = 1,231,152,004.62
  5. Step 5: Solve for x
    x = 1,231,152,004.62/40,135.32
  6. Step 6: Final answer
    x = 30,675.03

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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.