Home / 39,566.36-54,602.88-21,661.31

Finding the Fourth Proportional to 39,566.36, 54,602.88 and 21,661.31

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Solution

The fourth proportional to 39,566.36, 54,602.88 and 21,661.31 is: 29,893.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,566.36 : 54,602.88 = 21,661.31 : x
  2. Step 2: Convert to fraction form
    39,566.36/54,602.88 = 21,661.31/x
  3. Step 3: Cross multiply
    39,566.36x = 54,602.88 × 21,661.31
  4. Step 4: Simplify right side
    39,566.36x = 1,182,769,910.57
  5. Step 5: Solve for x
    x = 1,182,769,910.57/39,566.36
  6. Step 6: Final answer
    x = 29,893.32

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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.