Home / 35,821.21-49,433.72-19,690.28

Finding the Fourth Proportional to 35,821.21, 49,433.72 and 19,690.28

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Solution

The fourth proportional to 35,821.21, 49,433.72 and 19,690.28 is: 27,172.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,821.21 : 49,433.72 = 19,690.28 : x
  2. Step 2: Convert to fraction form
    35,821.21/49,433.72 = 19,690.28/x
  3. Step 3: Cross multiply
    35,821.21x = 49,433.72 × 19,690.28
  4. Step 4: Simplify right side
    35,821.21x = 973,363,739.02
  5. Step 5: Solve for x
    x = 973,363,739.02/35,821.21
  6. Step 6: Final answer
    x = 27,172.83

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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.