Home / 49,447.64-74,187.30-14,389.40

Finding the Fourth Proportional to 49,447.64, 74,187.30 and 14,389.40

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Solution

The fourth proportional to 49,447.64, 74,187.30 and 14,389.40 is: 21,588.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,447.64 : 74,187.30 = 14,389.40 : x
  2. Step 2: Convert to fraction form
    49,447.64/74,187.30 = 14,389.40/x
  3. Step 3: Cross multiply
    49,447.64x = 74,187.30 × 14,389.40
  4. Step 4: Simplify right side
    49,447.64x = 1,067,510,734.62
  5. Step 5: Solve for x
    x = 1,067,510,734.62/49,447.64
  6. Step 6: Final answer
    x = 21,588.71

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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.