Home / 40,468.78-55,844.88-22,560.31

Finding the Fourth Proportional to 40,468.78, 55,844.88 and 22,560.31

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Solution

The fourth proportional to 40,468.78, 55,844.88 and 22,560.31 is: 31,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,468.78 : 55,844.88 = 22,560.31 : x
  2. Step 2: Convert to fraction form
    40,468.78/55,844.88 = 22,560.31/x
  3. Step 3: Cross multiply
    40,468.78x = 55,844.88 × 22,560.31
  4. Step 4: Simplify right side
    40,468.78x = 1,259,877,804.71
  5. Step 5: Solve for x
    x = 1,259,877,804.71/40,468.78
  6. Step 6: Final answer
    x = 31,132.09

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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.