Home / 32,945.87-49,418.64-7,985.92

Finding the Fourth Proportional to 32,945.87, 49,418.64 and 7,985.92

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Solution

The fourth proportional to 32,945.87, 49,418.64 and 7,985.92 is: 11,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,945.87 : 49,418.64 = 7,985.92 : x
  2. Step 2: Convert to fraction form
    32,945.87/49,418.64 = 7,985.92/x
  3. Step 3: Cross multiply
    32,945.87x = 49,418.64 × 7,985.92
  4. Step 4: Simplify right side
    32,945.87x = 394,653,182.00
  5. Step 5: Solve for x
    x = 394,653,182.00/32,945.87
  6. Step 6: Final answer
    x = 11,978.84

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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.