Home / 36,548.04-50,439.60-20,636.40

Finding the Fourth Proportional to 36,548.04, 50,439.60 and 20,636.40

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Solution

The fourth proportional to 36,548.04, 50,439.60 and 20,636.40 is: 28,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,548.04 : 50,439.60 = 20,636.40 : x
  2. Step 2: Convert to fraction form
    36,548.04/50,439.60 = 20,636.40/x
  3. Step 3: Cross multiply
    36,548.04x = 50,439.60 × 20,636.40
  4. Step 4: Simplify right side
    36,548.04x = 1,040,891,761.44
  5. Step 5: Solve for x
    x = 1,040,891,761.44/36,548.04
  6. Step 6: Final answer
    x = 28,480.10

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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.