Home / 30,377.22-45,565.82-12,847.20

Finding the Fourth Proportional to 30,377.22, 45,565.82 and 12,847.20

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Solution

The fourth proportional to 30,377.22, 45,565.82 and 12,847.20 is: 19,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,377.22 : 45,565.82 = 12,847.20 : x
  2. Step 2: Convert to fraction form
    30,377.22/45,565.82 = 12,847.20/x
  3. Step 3: Cross multiply
    30,377.22x = 45,565.82 × 12,847.20
  4. Step 4: Simplify right side
    30,377.22x = 585,393,202.70
  5. Step 5: Solve for x
    x = 585,393,202.70/30,377.22
  6. Step 6: Final answer
    x = 19,270.80

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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.