Home / 20,565.03-30,847.55-4,982.66

Finding the Fourth Proportional to 20,565.03, 30,847.55 and 4,982.66

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Solution

The fourth proportional to 20,565.03, 30,847.55 and 4,982.66 is: 7,473.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,565.03 : 30,847.55 = 4,982.66 : x
  2. Step 2: Convert to fraction form
    20,565.03/30,847.55 = 4,982.66/x
  3. Step 3: Cross multiply
    20,565.03x = 30,847.55 × 4,982.66
  4. Step 4: Simplify right side
    20,565.03x = 153,702,674.33
  5. Step 5: Solve for x
    x = 153,702,674.33/20,565.03
  6. Step 6: Final answer
    x = 7,473.98

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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.