Home / 36,639.87-50,564.96-20,506.20

Finding the Fourth Proportional to 36,639.87, 50,564.96 and 20,506.20

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Solution

The fourth proportional to 36,639.87, 50,564.96 and 20,506.20 is: 28,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,639.87 : 50,564.96 = 20,506.20 : x
  2. Step 2: Convert to fraction form
    36,639.87/50,564.96 = 20,506.20/x
  3. Step 3: Cross multiply
    36,639.87x = 50,564.96 × 20,506.20
  4. Step 4: Simplify right side
    36,639.87x = 1,036,895,080.22
  5. Step 5: Solve for x
    x = 1,036,895,080.22/36,639.87
  6. Step 6: Final answer
    x = 28,299.64

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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.