Home / 46,719.28-70,086.84-20,423.44

Finding the Fourth Proportional to 46,719.28, 70,086.84 and 20,423.44

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Solution

The fourth proportional to 46,719.28, 70,086.84 and 20,423.44 is: 30,638.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,719.28 : 70,086.84 = 20,423.44 : x
  2. Step 2: Convert to fraction form
    46,719.28/70,086.84 = 20,423.44/x
  3. Step 3: Cross multiply
    46,719.28x = 70,086.84 × 20,423.44
  4. Step 4: Simplify right side
    46,719.28x = 1,431,414,371.53
  5. Step 5: Solve for x
    x = 1,431,414,371.53/46,719.28
  6. Step 6: Final answer
    x = 30,638.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.