Home / 40,865.60-56,392.95-22,961.36

Finding the Fourth Proportional to 40,865.60, 56,392.95 and 22,961.36

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Solution

The fourth proportional to 40,865.60, 56,392.95 and 22,961.36 is: 31,685.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,865.60 : 56,392.95 = 22,961.36 : x
  2. Step 2: Convert to fraction form
    40,865.60/56,392.95 = 22,961.36/x
  3. Step 3: Cross multiply
    40,865.60x = 56,392.95 × 22,961.36
  4. Step 4: Simplify right side
    40,865.60x = 1,294,858,544.45
  5. Step 5: Solve for x
    x = 1,294,858,544.45/40,865.60
  6. Step 6: Final answer
    x = 31,685.79

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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.