Home / 34,148.40-51,222.60-31,815.60

Finding the Fourth Proportional to 34,148.40, 51,222.60 and 31,815.60

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Solution

The fourth proportional to 34,148.40, 51,222.60 and 31,815.60 is: 47,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,148.40 : 51,222.60 = 31,815.60 : x
  2. Step 2: Convert to fraction form
    34,148.40/51,222.60 = 31,815.60/x
  3. Step 3: Cross multiply
    34,148.40x = 51,222.60 × 31,815.60
  4. Step 4: Simplify right side
    34,148.40x = 1,629,677,752.56
  5. Step 5: Solve for x
    x = 1,629,677,752.56/34,148.40
  6. Step 6: Final answer
    x = 47,723.40

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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.