Home / 35,761.64-49,351.60-19,847.12

Finding the Fourth Proportional to 35,761.64, 49,351.60 and 19,847.12

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Solution

The fourth proportional to 35,761.64, 49,351.60 and 19,847.12 is: 27,389.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,761.64 : 49,351.60 = 19,847.12 : x
  2. Step 2: Convert to fraction form
    35,761.64/49,351.60 = 19,847.12/x
  3. Step 3: Cross multiply
    35,761.64x = 49,351.60 × 19,847.12
  4. Step 4: Simplify right side
    35,761.64x = 979,487,127.39
  5. Step 5: Solve for x
    x = 979,487,127.39/35,761.64
  6. Step 6: Final answer
    x = 27,389.32

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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.