Home / 35,608.32-49,146.30-20,511

Finding the Fourth Proportional to 35,608.32, 49,146.30 and 20,511

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Solution

The fourth proportional to 35,608.32, 49,146.30 and 20,511 is: 28,309.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,608.32 : 49,146.30 = 20,511 : x
  2. Step 2: Convert to fraction form
    35,608.32/49,146.30 = 20,511/x
  3. Step 3: Cross multiply
    35,608.32x = 49,146.30 × 20,511
  4. Step 4: Simplify right side
    35,608.32x = 1,008,039,759.30
  5. Step 5: Solve for x
    x = 1,008,039,759.30/35,608.32
  6. Step 6: Final answer
    x = 28,309.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.