Home / 35,681.85-49,241.31-19,766.64

Finding the Fourth Proportional to 35,681.85, 49,241.31 and 19,766.64

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Solution

The fourth proportional to 35,681.85, 49,241.31 and 19,766.64 is: 27,278.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681.85 : 49,241.31 = 19,766.64 : x
  2. Step 2: Convert to fraction form
    35,681.85/49,241.31 = 19,766.64/x
  3. Step 3: Cross multiply
    35,681.85x = 49,241.31 × 19,766.64
  4. Step 4: Simplify right side
    35,681.85x = 973,335,247.90
  5. Step 5: Solve for x
    x = 973,335,247.90/35,681.85
  6. Step 6: Final answer
    x = 27,278.16

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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.