Home / 29,146.22-43,742.20-20,323.70

Finding the Fourth Proportional to 29,146.22, 43,742.20 and 20,323.70

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Solution

The fourth proportional to 29,146.22, 43,742.20 and 20,323.70 is: 30,501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,146.22 : 43,742.20 = 20,323.70 : x
  2. Step 2: Convert to fraction form
    29,146.22/43,742.20 = 20,323.70/x
  3. Step 3: Cross multiply
    29,146.22x = 43,742.20 × 20,323.70
  4. Step 4: Simplify right side
    29,146.22x = 889,003,350.14
  5. Step 5: Solve for x
    x = 889,003,350.14/29,146.22
  6. Step 6: Final answer
    x = 30,501.50

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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.