Home / 29,039.63-43,578.86-12,403.53

Finding the Fourth Proportional to 29,039.63, 43,578.86 and 12,403.53

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Solution

The fourth proportional to 29,039.63, 43,578.86 and 12,403.53 is: 18,613.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,039.63 : 43,578.86 = 12,403.53 : x
  2. Step 2: Convert to fraction form
    29,039.63/43,578.86 = 12,403.53/x
  3. Step 3: Cross multiply
    29,039.63x = 43,578.86 × 12,403.53
  4. Step 4: Simplify right side
    29,039.63x = 540,531,635.36
  5. Step 5: Solve for x
    x = 540,531,635.36/29,039.63
  6. Step 6: Final answer
    x = 18,613.59

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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.