Home / 47,991.63-66,224.29-30,996.61

Finding the Fourth Proportional to 47,991.63, 66,224.29 and 30,996.61

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Solution

The fourth proportional to 47,991.63, 66,224.29 and 30,996.61 is: 42,772.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,991.63 : 66,224.29 = 30,996.61 : x
  2. Step 2: Convert to fraction form
    47,991.63/66,224.29 = 30,996.61/x
  3. Step 3: Cross multiply
    47,991.63x = 66,224.29 × 30,996.61
  4. Step 4: Simplify right side
    47,991.63x = 2,052,728,489.66
  5. Step 5: Solve for x
    x = 2,052,728,489.66/47,991.63
  6. Step 6: Final answer
    x = 42,772.64

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1.5x scale

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.