Home / 29,145.22-43,740.70-20,322.70

Finding the Fourth Proportional to 29,145.22, 43,740.70 and 20,322.70

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Solution

The fourth proportional to 29,145.22, 43,740.70 and 20,322.70 is: 30,500.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145.22 : 43,740.70 = 20,322.70 : x
  2. Step 2: Convert to fraction form
    29,145.22/43,740.70 = 20,322.70/x
  3. Step 3: Cross multiply
    29,145.22x = 43,740.70 × 20,322.70
  4. Step 4: Simplify right side
    29,145.22x = 888,929,123.89
  5. Step 5: Solve for x
    x = 888,929,123.89/29,145.22
  6. Step 6: Final answer
    x = 30,500.00

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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.