Home / 40,134.44-55,384.26-23,138.72

Finding the Fourth Proportional to 40,134.44, 55,384.26 and 23,138.72

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Solution

The fourth proportional to 40,134.44, 55,384.26 and 23,138.72 is: 31,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,134.44 : 55,384.26 = 23,138.72 : x
  2. Step 2: Convert to fraction form
    40,134.44/55,384.26 = 23,138.72/x
  3. Step 3: Cross multiply
    40,134.44x = 55,384.26 × 23,138.72
  4. Step 4: Simplify right side
    40,134.44x = 1,281,520,884.55
  5. Step 5: Solve for x
    x = 1,281,520,884.55/40,134.44
  6. Step 6: Final answer
    x = 31,930.70

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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.