Home / 30,372.62-45,559.23-10,651.65

Finding the Fourth Proportional to 30,372.62, 45,559.23 and 10,651.65

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Solution

The fourth proportional to 30,372.62, 45,559.23 and 10,651.65 is: 15,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,372.62 : 45,559.23 = 10,651.65 : x
  2. Step 2: Convert to fraction form
    30,372.62/45,559.23 = 10,651.65/x
  3. Step 3: Cross multiply
    30,372.62x = 45,559.23 × 10,651.65
  4. Step 4: Simplify right side
    30,372.62x = 485,280,972.23
  5. Step 5: Solve for x
    x = 485,280,972.23/30,372.62
  6. Step 6: Final answer
    x = 15,977.58

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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.