Home / 38,964.53-53,768.34-21,969.38

Finding the Fourth Proportional to 38,964.53, 53,768.34 and 21,969.38

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Solution

The fourth proportional to 38,964.53, 53,768.34 and 21,969.38 is: 30,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,964.53 : 53,768.34 = 21,969.38 : x
  2. Step 2: Convert to fraction form
    38,964.53/53,768.34 = 21,969.38/x
  3. Step 3: Cross multiply
    38,964.53x = 53,768.34 × 21,969.38
  4. Step 4: Simplify right side
    38,964.53x = 1,181,257,093.43
  5. Step 5: Solve for x
    x = 1,181,257,093.43/38,964.53
  6. Step 6: Final answer
    x = 30,316.22

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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.