Home / 40,577.20-55,991.46-22,671.52

Finding the Fourth Proportional to 40,577.20, 55,991.46 and 22,671.52

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Solution

The fourth proportional to 40,577.20, 55,991.46 and 22,671.52 is: 31,283.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,577.20 : 55,991.46 = 22,671.52 : x
  2. Step 2: Convert to fraction form
    40,577.20/55,991.46 = 22,671.52/x
  3. Step 3: Cross multiply
    40,577.20x = 55,991.46 × 22,671.52
  4. Step 4: Simplify right side
    40,577.20x = 1,269,411,505.22
  5. Step 5: Solve for x
    x = 1,269,411,505.22/40,577.20
  6. Step 6: Final answer
    x = 31,283.86

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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.