Home / 39,082.29-53,933.74-21,177.33

Finding the Fourth Proportional to 39,082.29, 53,933.74 and 21,177.33

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Solution

The fourth proportional to 39,082.29, 53,933.74 and 21,177.33 is: 29,224.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,082.29 : 53,933.74 = 21,177.33 : x
  2. Step 2: Convert to fraction form
    39,082.29/53,933.74 = 21,177.33/x
  3. Step 3: Cross multiply
    39,082.29x = 53,933.74 × 21,177.33
  4. Step 4: Simplify right side
    39,082.29x = 1,142,172,503.82
  5. Step 5: Solve for x
    x = 1,142,172,503.82/39,082.29
  6. Step 6: Final answer
    x = 29,224.81

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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.