Home / 35,753.32-49,339.65-19,837.78

Finding the Fourth Proportional to 35,753.32, 49,339.65 and 19,837.78

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Solution

The fourth proportional to 35,753.32, 49,339.65 and 19,837.78 is: 27,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,753.32 : 49,339.65 = 19,837.78 : x
  2. Step 2: Convert to fraction form
    35,753.32/49,339.65 = 19,837.78/x
  3. Step 3: Cross multiply
    35,753.32x = 49,339.65 × 19,837.78
  4. Step 4: Simplify right side
    35,753.32x = 978,789,121.98
  5. Step 5: Solve for x
    x = 978,789,121.98/35,753.32
  6. Step 6: Final answer
    x = 27,376.17

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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.