Home / 35,771.94-49,365.09-19,639.53

Finding the Fourth Proportional to 35,771.94, 49,365.09 and 19,639.53

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Solution

The fourth proportional to 35,771.94, 49,365.09 and 19,639.53 is: 27,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,771.94 : 49,365.09 = 19,639.53 : x
  2. Step 2: Convert to fraction form
    35,771.94/49,365.09 = 19,639.53/x
  3. Step 3: Cross multiply
    35,771.94x = 49,365.09 × 19,639.53
  4. Step 4: Simplify right side
    35,771.94x = 969,507,166.01
  5. Step 5: Solve for x
    x = 969,507,166.01/35,771.94
  6. Step 6: Final answer
    x = 27,102.45

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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.