Home / 29,045.58-43,578.09-11,520.42

Finding the Fourth Proportional to 29,045.58, 43,578.09 and 11,520.42

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Solution

The fourth proportional to 29,045.58, 43,578.09 and 11,520.42 is: 17,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,045.58 : 43,578.09 = 11,520.42 : x
  2. Step 2: Convert to fraction form
    29,045.58/43,578.09 = 11,520.42/x
  3. Step 3: Cross multiply
    29,045.58x = 43,578.09 × 11,520.42
  4. Step 4: Simplify right side
    29,045.58x = 502,037,899.60
  5. Step 5: Solve for x
    x = 502,037,899.60/29,045.58
  6. Step 6: Final answer
    x = 17,284.49

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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.