Home / 40,376.64-55,720.26-22,471.86

Finding the Fourth Proportional to 40,376.64, 55,720.26 and 22,471.86

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Solution

The fourth proportional to 40,376.64, 55,720.26 and 22,471.86 is: 31,011.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,376.64 : 55,720.26 = 22,471.86 : x
  2. Step 2: Convert to fraction form
    40,376.64/55,720.26 = 22,471.86/x
  3. Step 3: Cross multiply
    40,376.64x = 55,720.26 × 22,471.86
  4. Step 4: Simplify right side
    40,376.64x = 1,252,137,881.88
  5. Step 5: Solve for x
    x = 1,252,137,881.88/40,376.64
  6. Step 6: Final answer
    x = 31,011.44

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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.