Home / 35,767.12-49,351.44-21,620.76

Finding the Fourth Proportional to 35,767.12, 49,351.44 and 21,620.76

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Solution

The fourth proportional to 35,767.12, 49,351.44 and 21,620.76 is: 29,832.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,767.12 : 49,351.44 = 21,620.76 : x
  2. Step 2: Convert to fraction form
    35,767.12/49,351.44 = 21,620.76/x
  3. Step 3: Cross multiply
    35,767.12x = 49,351.44 × 21,620.76
  4. Step 4: Simplify right side
    35,767.12x = 1,067,015,639.89
  5. Step 5: Solve for x
    x = 1,067,015,639.89/35,767.12
  6. Step 6: Final answer
    x = 29,832.31

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1.5x scale

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.