Home / 43,569.84-65,348.58-13,983.85

Finding the Fourth Proportional to 43,569.84, 65,348.58 and 13,983.85

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Solution

The fourth proportional to 43,569.84, 65,348.58 and 13,983.85 is: 20,973.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,569.84 : 65,348.58 = 13,983.85 : x
  2. Step 2: Convert to fraction form
    43,569.84/65,348.58 = 13,983.85/x
  3. Step 3: Cross multiply
    43,569.84x = 65,348.58 × 13,983.85
  4. Step 4: Simplify right side
    43,569.84x = 913,824,577.06
  5. Step 5: Solve for x
    x = 913,824,577.06/43,569.84
  6. Step 6: Final answer
    x = 20,973.79

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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.