Home / 35,181.16-52,716.66-21,106.60

Finding the Fourth Proportional to 35,181.16, 52,716.66 and 21,106.60

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Solution

The fourth proportional to 35,181.16, 52,716.66 and 21,106.60 is: 31,626.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,181.16 : 52,716.66 = 21,106.60 : x
  2. Step 2: Convert to fraction form
    35,181.16/52,716.66 = 21,106.60/x
  3. Step 3: Cross multiply
    35,181.16x = 52,716.66 × 21,106.60
  4. Step 4: Simplify right side
    35,181.16x = 1,112,669,455.96
  5. Step 5: Solve for x
    x = 1,112,669,455.96/35,181.16
  6. Step 6: Final answer
    x = 31,626.86

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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.