Home / 35,796.76-49,396.64-20,690.40

Finding the Fourth Proportional to 35,796.76, 49,396.64 and 20,690.40

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Solution

The fourth proportional to 35,796.76, 49,396.64 and 20,690.40 is: 28,551.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,796.76 : 49,396.64 = 20,690.40 : x
  2. Step 2: Convert to fraction form
    35,796.76/49,396.64 = 20,690.40/x
  3. Step 3: Cross multiply
    35,796.76x = 49,396.64 × 20,690.40
  4. Step 4: Simplify right side
    35,796.76x = 1,022,036,322.04
  5. Step 5: Solve for x
    x = 1,022,036,322.04/35,796.76
  6. Step 6: Final answer
    x = 28,551.09

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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.