Home / 39,082.80-53,934.48-21,177.82

Finding the Fourth Proportional to 39,082.80, 53,934.48 and 21,177.82

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Solution

The fourth proportional to 39,082.80, 53,934.48 and 21,177.82 is: 29,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,082.80 : 53,934.48 = 21,177.82 : x
  2. Step 2: Convert to fraction form
    39,082.80/53,934.48 = 21,177.82/x
  3. Step 3: Cross multiply
    39,082.80x = 53,934.48 × 21,177.82
  4. Step 4: Simplify right side
    39,082.80x = 1,142,214,709.23
  5. Step 5: Solve for x
    x = 1,142,214,709.23/39,082.80
  6. Step 6: Final answer
    x = 29,225.51

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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.