Home / 40,736.24-56,139.92-31,769.60

Finding the Fourth Proportional to 40,736.24, 56,139.92 and 31,769.60

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Solution

The fourth proportional to 40,736.24, 56,139.92 and 31,769.60 is: 43,782.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,736.24 : 56,139.92 = 31,769.60 : x
  2. Step 2: Convert to fraction form
    40,736.24/56,139.92 = 31,769.60/x
  3. Step 3: Cross multiply
    40,736.24x = 56,139.92 × 31,769.60
  4. Step 4: Simplify right side
    40,736.24x = 1,783,542,802.43
  5. Step 5: Solve for x
    x = 1,783,542,802.43/40,736.24
  6. Step 6: Final answer
    x = 43,782.71

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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.