Home / 36,611.21-54,916.74-10,315.91

Finding the Fourth Proportional to 36,611.21, 54,916.74 and 10,315.91

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Solution

The fourth proportional to 36,611.21, 54,916.74 and 10,315.91 is: 15,473.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,611.21 : 54,916.74 = 10,315.91 : x
  2. Step 2: Convert to fraction form
    36,611.21/54,916.74 = 10,315.91/x
  3. Step 3: Cross multiply
    36,611.21x = 54,916.74 × 10,315.91
  4. Step 4: Simplify right side
    36,611.21x = 566,515,872.75
  5. Step 5: Solve for x
    x = 566,515,872.75/36,611.21
  6. Step 6: Final answer
    x = 15,473.84

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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.