Home / 42,675.35-63,992.55-20,167.30

Finding the Fourth Proportional to 42,675.35, 63,992.55 and 20,167.30

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Solution

The fourth proportional to 42,675.35, 63,992.55 and 20,167.30 is: 30,241.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,675.35 : 63,992.55 = 20,167.30 : x
  2. Step 2: Convert to fraction form
    42,675.35/63,992.55 = 20,167.30/x
  3. Step 3: Cross multiply
    42,675.35x = 63,992.55 × 20,167.30
  4. Step 4: Simplify right side
    42,675.35x = 1,290,556,793.63
  5. Step 5: Solve for x
    x = 1,290,556,793.63/42,675.35
  6. Step 6: Final answer
    x = 30,241.27

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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.