Home / 40,886.75-56,428.41-22,739.31

Finding the Fourth Proportional to 40,886.75, 56,428.41 and 22,739.31

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Solution

The fourth proportional to 40,886.75, 56,428.41 and 22,739.31 is: 31,382.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,886.75 : 56,428.41 = 22,739.31 : x
  2. Step 2: Convert to fraction form
    40,886.75/56,428.41 = 22,739.31/x
  3. Step 3: Cross multiply
    40,886.75x = 56,428.41 × 22,739.31
  4. Step 4: Simplify right side
    40,886.75x = 1,283,143,107.80
  5. Step 5: Solve for x
    x = 1,283,143,107.80/40,886.75
  6. Step 6: Final answer
    x = 31,382.86

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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.