Home / 40,778.96-61,185.72-22,289.36

Finding the Fourth Proportional to 40,778.96, 61,185.72 and 22,289.36

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Solution

The fourth proportional to 40,778.96, 61,185.72 and 22,289.36 is: 33,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,778.96 : 61,185.72 = 22,289.36 : x
  2. Step 2: Convert to fraction form
    40,778.96/61,185.72 = 22,289.36/x
  3. Step 3: Cross multiply
    40,778.96x = 61,185.72 × 22,289.36
  4. Step 4: Simplify right side
    40,778.96x = 1,363,790,539.94
  5. Step 5: Solve for x
    x = 1,363,790,539.94/40,778.96
  6. Step 6: Final answer
    x = 33,443.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.