Home / 35,720.06-49,297.28-19,807.56

Finding the Fourth Proportional to 35,720.06, 49,297.28 and 19,807.56

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Solution

The fourth proportional to 35,720.06, 49,297.28 and 19,807.56 is: 27,336.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,720.06 : 49,297.28 = 19,807.56 : x
  2. Step 2: Convert to fraction form
    35,720.06/49,297.28 = 19,807.56/x
  3. Step 3: Cross multiply
    35,720.06x = 49,297.28 × 19,807.56
  4. Step 4: Simplify right side
    35,720.06x = 976,458,732.40
  5. Step 5: Solve for x
    x = 976,458,732.40/35,720.06
  6. Step 6: Final answer
    x = 27,336.43

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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.