Home / 69,778.63-96,291.58-39,566

Finding the Fourth Proportional to 69,778.63, 96,291.58 and 39,566

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Solution

The fourth proportional to 69,778.63, 96,291.58 and 39,566 is: 54,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,778.63 : 96,291.58 = 39,566 : x
  2. Step 2: Convert to fraction form
    69,778.63/96,291.58 = 39,566/x
  3. Step 3: Cross multiply
    69,778.63x = 96,291.58 × 39,566
  4. Step 4: Simplify right side
    69,778.63x = 3,809,872,654.28
  5. Step 5: Solve for x
    x = 3,809,872,654.28/69,778.63
  6. Step 6: Final answer
    x = 54,599.42

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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.