Home / 34,503.87-51,760.73-12,312.57

Finding the Fourth Proportional to 34,503.87, 51,760.73 and 12,312.57

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Solution

The fourth proportional to 34,503.87, 51,760.73 and 12,312.57 is: 18,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,503.87 : 51,760.73 = 12,312.57 : x
  2. Step 2: Convert to fraction form
    34,503.87/51,760.73 = 12,312.57/x
  3. Step 3: Cross multiply
    34,503.87x = 51,760.73 × 12,312.57
  4. Step 4: Simplify right side
    34,503.87x = 637,307,611.38
  5. Step 5: Solve for x
    x = 637,307,611.38/34,503.87
  6. Step 6: Final answer
    x = 18,470.61

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1.5x scale

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.