Home / 37,945.25-56,917.09-12,646.60

Finding the Fourth Proportional to 37,945.25, 56,917.09 and 12,646.60

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Solution

The fourth proportional to 37,945.25, 56,917.09 and 12,646.60 is: 18,969.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,945.25 : 56,917.09 = 12,646.60 : x
  2. Step 2: Convert to fraction form
    37,945.25/56,917.09 = 12,646.60/x
  3. Step 3: Cross multiply
    37,945.25x = 56,917.09 × 12,646.60
  4. Step 4: Simplify right side
    37,945.25x = 719,807,496.48
  5. Step 5: Solve for x
    x = 719,807,496.48/37,945.25
  6. Step 6: Final answer
    x = 18,969.63

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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.