Home / 30,297.62-45,452.57-12,767.44

Finding the Fourth Proportional to 30,297.62, 45,452.57 and 12,767.44

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Solution

The fourth proportional to 30,297.62, 45,452.57 and 12,767.44 is: 19,153.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,297.62 : 45,452.57 = 12,767.44 : x
  2. Step 2: Convert to fraction form
    30,297.62/45,452.57 = 12,767.44/x
  3. Step 3: Cross multiply
    30,297.62x = 45,452.57 × 12,767.44
  4. Step 4: Simplify right side
    30,297.62x = 580,312,960.32
  5. Step 5: Solve for x
    x = 580,312,960.32/30,297.62
  6. Step 6: Final answer
    x = 19,153.75

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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.