Home / 57,203.44-78,853.24-40,159.87

Finding the Fourth Proportional to 57,203.44, 78,853.24 and 40,159.87

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Solution

The fourth proportional to 57,203.44, 78,853.24 and 40,159.87 is: 55,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,203.44 : 78,853.24 = 40,159.87 : x
  2. Step 2: Convert to fraction form
    57,203.44/78,853.24 = 40,159.87/x
  3. Step 3: Cross multiply
    57,203.44x = 78,853.24 × 40,159.87
  4. Step 4: Simplify right side
    57,203.44x = 3,166,735,272.41
  5. Step 5: Solve for x
    x = 3,166,735,272.41/57,203.44
  6. Step 6: Final answer
    x = 55,359.18

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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.