Home / 40,299.72-55,611.08-22,393.66

Finding the Fourth Proportional to 40,299.72, 55,611.08 and 22,393.66

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Solution

The fourth proportional to 40,299.72, 55,611.08 and 22,393.66 is: 30,901.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,299.72 : 55,611.08 = 22,393.66 : x
  2. Step 2: Convert to fraction form
    40,299.72/55,611.08 = 22,393.66/x
  3. Step 3: Cross multiply
    40,299.72x = 55,611.08 × 22,393.66
  4. Step 4: Simplify right side
    40,299.72x = 1,245,335,617.75
  5. Step 5: Solve for x
    x = 1,245,335,617.75/40,299.72
  6. Step 6: Final answer
    x = 30,901.84

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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.