Home / 40,517.87-55,913.19-22,368.20

Finding the Fourth Proportional to 40,517.87, 55,913.19 and 22,368.20

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Solution

The fourth proportional to 40,517.87, 55,913.19 and 22,368.20 is: 30,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,517.87 : 55,913.19 = 22,368.20 : x
  2. Step 2: Convert to fraction form
    40,517.87/55,913.19 = 22,368.20/x
  3. Step 3: Cross multiply
    40,517.87x = 55,913.19 × 22,368.20
  4. Step 4: Simplify right side
    40,517.87x = 1,250,677,416.56
  5. Step 5: Solve for x
    x = 1,250,677,416.56/40,517.87
  6. Step 6: Final answer
    x = 30,867.30

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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.