Home / 34,749.60-52,114.80-13,975.20

Finding the Fourth Proportional to 34,749.60, 52,114.80 and 13,975.20

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Solution

The fourth proportional to 34,749.60, 52,114.80 and 13,975.20 is: 20,958.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,749.60 : 52,114.80 = 13,975.20 : x
  2. Step 2: Convert to fraction form
    34,749.60/52,114.80 = 13,975.20/x
  3. Step 3: Cross multiply
    34,749.60x = 52,114.80 × 13,975.20
  4. Step 4: Simplify right side
    34,749.60x = 728,314,752.96
  5. Step 5: Solve for x
    x = 728,314,752.96/34,749.60
  6. Step 6: Final answer
    x = 20,958.94

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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.