Home / 40,476.48-55,857.86-22,572.64

Finding the Fourth Proportional to 40,476.48, 55,857.86 and 22,572.64

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Solution

The fourth proportional to 40,476.48, 55,857.86 and 22,572.64 is: 31,150.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,476.48 : 55,857.86 = 22,572.64 : x
  2. Step 2: Convert to fraction form
    40,476.48/55,857.86 = 22,572.64/x
  3. Step 3: Cross multiply
    40,476.48x = 55,857.86 × 22,572.64
  4. Step 4: Simplify right side
    40,476.48x = 1,260,859,364.95
  5. Step 5: Solve for x
    x = 1,260,859,364.95/40,476.48
  6. Step 6: Final answer
    x = 31,150.42

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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.