Home / 39,553.53-54,590.01-22,557.81

Finding the Fourth Proportional to 39,553.53, 54,590.01 and 22,557.81

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Solution

The fourth proportional to 39,553.53, 54,590.01 and 22,557.81 is: 31,133.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,553.53 : 54,590.01 = 22,557.81 : x
  2. Step 2: Convert to fraction form
    39,553.53/54,590.01 = 22,557.81/x
  3. Step 3: Cross multiply
    39,553.53x = 54,590.01 × 22,557.81
  4. Step 4: Simplify right side
    39,553.53x = 1,231,431,073.48
  5. Step 5: Solve for x
    x = 1,231,431,073.48/39,553.53
  6. Step 6: Final answer
    x = 31,133.28

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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.