Home / 30,629.39-45,914.93-9,838.31

Finding the Fourth Proportional to 30,629.39, 45,914.93 and 9,838.31

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Solution

The fourth proportional to 30,629.39, 45,914.93 and 9,838.31 is: 14,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,629.39 : 45,914.93 = 9,838.31 : x
  2. Step 2: Convert to fraction form
    30,629.39/45,914.93 = 9,838.31/x
  3. Step 3: Cross multiply
    30,629.39x = 45,914.93 × 9,838.31
  4. Step 4: Simplify right side
    30,629.39x = 451,725,380.56
  5. Step 5: Solve for x
    x = 451,725,380.56/30,629.39
  6. Step 6: Final answer
    x = 14,748.10

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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.