Home / 36,639.44-50,557.06-20,506.64

Finding the Fourth Proportional to 36,639.44, 50,557.06 and 20,506.64

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Solution

The fourth proportional to 36,639.44, 50,557.06 and 20,506.64 is: 28,296.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,639.44 : 50,557.06 = 20,506.64 : x
  2. Step 2: Convert to fraction form
    36,639.44/50,557.06 = 20,506.64/x
  3. Step 3: Cross multiply
    36,639.44x = 50,557.06 × 20,506.64
  4. Step 4: Simplify right side
    36,639.44x = 1,036,755,428.88
  5. Step 5: Solve for x
    x = 1,036,755,428.88/36,639.44
  6. Step 6: Final answer
    x = 28,296.16

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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.