Home / 29,422.15-40,611.86-18,811.83

Finding the Fourth Proportional to 29,422.15, 40,611.86 and 18,811.83

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Solution

The fourth proportional to 29,422.15, 40,611.86 and 18,811.83 is: 25,966.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,422.15 : 40,611.86 = 18,811.83 : x
  2. Step 2: Convert to fraction form
    29,422.15/40,611.86 = 18,811.83/x
  3. Step 3: Cross multiply
    29,422.15x = 40,611.86 × 18,811.83
  4. Step 4: Simplify right side
    29,422.15x = 763,983,406.30
  5. Step 5: Solve for x
    x = 763,983,406.30/29,422.15
  6. Step 6: Final answer
    x = 25,966.27

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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.