Home / 31,356.53-47,022.54-11,361.28

Finding the Fourth Proportional to 31,356.53, 47,022.54 and 11,361.28

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Solution

The fourth proportional to 31,356.53, 47,022.54 and 11,361.28 is: 17,037.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,356.53 : 47,022.54 = 11,361.28 : x
  2. Step 2: Convert to fraction form
    31,356.53/47,022.54 = 11,361.28/x
  3. Step 3: Cross multiply
    31,356.53x = 47,022.54 × 11,361.28
  4. Step 4: Simplify right side
    31,356.53x = 534,236,168.30
  5. Step 5: Solve for x
    x = 534,236,168.30/31,356.53
  6. Step 6: Final answer
    x = 17,037.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.