Home / 52,835.14-72,912.36-31,614.40

Finding the Fourth Proportional to 52,835.14, 72,912.36 and 31,614.40

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Solution

The fourth proportional to 52,835.14, 72,912.36 and 31,614.40 is: 43,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,835.14 : 72,912.36 = 31,614.40 : x
  2. Step 2: Convert to fraction form
    52,835.14/72,912.36 = 31,614.40/x
  3. Step 3: Cross multiply
    52,835.14x = 72,912.36 × 31,614.40
  4. Step 4: Simplify right side
    52,835.14x = 2,305,080,513.98
  5. Step 5: Solve for x
    x = 2,305,080,513.98/52,835.14
  6. Step 6: Final answer
    x = 43,627.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.