Home / 39,566.55-54,602.49-21,661.26

Finding the Fourth Proportional to 39,566.55, 54,602.49 and 21,661.26

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Solution

The fourth proportional to 39,566.55, 54,602.49 and 21,661.26 is: 29,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,566.55 : 54,602.49 = 21,661.26 : x
  2. Step 2: Convert to fraction form
    39,566.55/54,602.49 = 21,661.26/x
  3. Step 3: Cross multiply
    39,566.55x = 54,602.49 × 21,661.26
  4. Step 4: Simplify right side
    39,566.55x = 1,182,758,732.54
  5. Step 5: Solve for x
    x = 1,182,758,732.54/39,566.55
  6. Step 6: Final answer
    x = 29,892.90

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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.