Home / 40,283.82-55,589.28-22,378.38

Finding the Fourth Proportional to 40,283.82, 55,589.28 and 22,378.38

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Solution

The fourth proportional to 40,283.82, 55,589.28 and 22,378.38 is: 30,880.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,283.82 : 55,589.28 = 22,378.38 : x
  2. Step 2: Convert to fraction form
    40,283.82/55,589.28 = 22,378.38/x
  3. Step 3: Cross multiply
    40,283.82x = 55,589.28 × 22,378.38
  4. Step 4: Simplify right side
    40,283.82x = 1,243,998,031.77
  5. Step 5: Solve for x
    x = 1,243,998,031.77/40,283.82
  6. Step 6: Final answer
    x = 30,880.84

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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.