Home / 35,771.74-49,363.96-19,639.02

Finding the Fourth Proportional to 35,771.74, 49,363.96 and 19,639.02

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Solution

The fourth proportional to 35,771.74, 49,363.96 and 19,639.02 is: 27,101.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,771.74 : 49,363.96 = 19,639.02 : x
  2. Step 2: Convert to fraction form
    35,771.74/49,363.96 = 19,639.02/x
  3. Step 3: Cross multiply
    35,771.74x = 49,363.96 × 19,639.02
  4. Step 4: Simplify right side
    35,771.74x = 969,459,797.72
  5. Step 5: Solve for x
    x = 969,459,797.72/35,771.74
  6. Step 6: Final answer
    x = 27,101.28

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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.