Home / 49,619.64-74,429.30-20,037.13

Finding the Fourth Proportional to 49,619.64, 74,429.30 and 20,037.13

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Solution

The fourth proportional to 49,619.64, 74,429.30 and 20,037.13 is: 30,055.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,619.64 : 74,429.30 = 20,037.13 : x
  2. Step 2: Convert to fraction form
    49,619.64/74,429.30 = 20,037.13/x
  3. Step 3: Cross multiply
    49,619.64x = 74,429.30 × 20,037.13
  4. Step 4: Simplify right side
    49,619.64x = 1,491,349,559.91
  5. Step 5: Solve for x
    x = 1,491,349,559.91/49,619.64
  6. Step 6: Final answer
    x = 30,055.63

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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.