Home / 20,359.81-30,540.63-5,568.40

Finding the Fourth Proportional to 20,359.81, 30,540.63 and 5,568.40

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Solution

The fourth proportional to 20,359.81, 30,540.63 and 5,568.40 is: 8,352.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,359.81 : 30,540.63 = 5,568.40 : x
  2. Step 2: Convert to fraction form
    20,359.81/30,540.63 = 5,568.40/x
  3. Step 3: Cross multiply
    20,359.81x = 30,540.63 × 5,568.40
  4. Step 4: Simplify right side
    20,359.81x = 170,062,291.39
  5. Step 5: Solve for x
    x = 170,062,291.39/20,359.81
  6. Step 6: Final answer
    x = 8,352.84

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1.5x scale

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.