Home / 43,529.30-65,292.12-13,946.48

Finding the Fourth Proportional to 43,529.30, 65,292.12 and 13,946.48

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Solution

The fourth proportional to 43,529.30, 65,292.12 and 13,946.48 is: 20,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,529.30 : 65,292.12 = 13,946.48 : x
  2. Step 2: Convert to fraction form
    43,529.30/65,292.12 = 13,946.48/x
  3. Step 3: Cross multiply
    43,529.30x = 65,292.12 × 13,946.48
  4. Step 4: Simplify right side
    43,529.30x = 910,595,245.74
  5. Step 5: Solve for x
    x = 910,595,245.74/43,529.30
  6. Step 6: Final answer
    x = 20,919.13

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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.