Home / 20,445.08-30,667.51-5,452.16

Finding the Fourth Proportional to 20,445.08, 30,667.51 and 5,452.16

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Solution

The fourth proportional to 20,445.08, 30,667.51 and 5,452.16 is: 8,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,445.08 : 30,667.51 = 5,452.16 : x
  2. Step 2: Convert to fraction form
    20,445.08/30,667.51 = 5,452.16/x
  3. Step 3: Cross multiply
    20,445.08x = 30,667.51 × 5,452.16
  4. Step 4: Simplify right side
    20,445.08x = 167,204,197.30
  5. Step 5: Solve for x
    x = 167,204,197.30/20,445.08
  6. Step 6: Final answer
    x = 8,178.21

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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.