Home / 35,138.22-52,622.86-20,099.74

Finding the Fourth Proportional to 35,138.22, 52,622.86 and 20,099.74

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Solution

The fourth proportional to 35,138.22, 52,622.86 and 20,099.74 is: 30,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,138.22 : 52,622.86 = 20,099.74 : x
  2. Step 2: Convert to fraction form
    35,138.22/52,622.86 = 20,099.74/x
  3. Step 3: Cross multiply
    35,138.22x = 52,622.86 × 20,099.74
  4. Step 4: Simplify right side
    35,138.22x = 1,057,705,804.06
  5. Step 5: Solve for x
    x = 1,057,705,804.06/35,138.22
  6. Step 6: Final answer
    x = 30,101.29

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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.