Home / 43,788.38-65,676.39-14,206.47

Finding the Fourth Proportional to 43,788.38, 65,676.39 and 14,206.47

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Solution

The fourth proportional to 43,788.38, 65,676.39 and 14,206.47 is: 21,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,788.38 : 65,676.39 = 14,206.47 : x
  2. Step 2: Convert to fraction form
    43,788.38/65,676.39 = 14,206.47/x
  3. Step 3: Cross multiply
    43,788.38x = 65,676.39 × 14,206.47
  4. Step 4: Simplify right side
    43,788.38x = 933,029,664.24
  5. Step 5: Solve for x
    x = 933,029,664.24/43,788.38
  6. Step 6: Final answer
    x = 21,307.70

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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.