Home / 29,476.80-44,215.20-20,145.60

Finding the Fourth Proportional to 29,476.80, 44,215.20 and 20,145.60

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Solution

The fourth proportional to 29,476.80, 44,215.20 and 20,145.60 is: 30,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,476.80 : 44,215.20 = 20,145.60 : x
  2. Step 2: Convert to fraction form
    29,476.80/44,215.20 = 20,145.60/x
  3. Step 3: Cross multiply
    29,476.80x = 44,215.20 × 20,145.60
  4. Step 4: Simplify right side
    29,476.80x = 890,741,733.12
  5. Step 5: Solve for x
    x = 890,741,733.12/29,476.80
  6. Step 6: Final answer
    x = 30,218.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.