Home / 20,449.08-30,673.58-5,657.96

Finding the Fourth Proportional to 20,449.08, 30,673.58 and 5,657.96

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Solution

The fourth proportional to 20,449.08, 30,673.58 and 5,657.96 is: 8,486.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,449.08 : 30,673.58 = 5,657.96 : x
  2. Step 2: Convert to fraction form
    20,449.08/30,673.58 = 5,657.96/x
  3. Step 3: Cross multiply
    20,449.08x = 30,673.58 × 5,657.96
  4. Step 4: Simplify right side
    20,449.08x = 173,549,728.26
  5. Step 5: Solve for x
    x = 173,549,728.26/20,449.08
  6. Step 6: Final answer
    x = 8,486.92

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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.