Home / 40,565.43-55,980.30-22,660.44

Finding the Fourth Proportional to 40,565.43, 55,980.30 and 22,660.44

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Solution

The fourth proportional to 40,565.43, 55,980.30 and 22,660.44 is: 31,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,565.43 : 55,980.30 = 22,660.44 : x
  2. Step 2: Convert to fraction form
    40,565.43/55,980.30 = 22,660.44/x
  3. Step 3: Cross multiply
    40,565.43x = 55,980.30 × 22,660.44
  4. Step 4: Simplify right side
    40,565.43x = 1,268,538,116.03
  5. Step 5: Solve for x
    x = 1,268,538,116.03/40,565.43
  6. Step 6: Final answer
    x = 31,271.41

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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.