Home / 31,817.06-47,711.67-13,084.58

Finding the Fourth Proportional to 31,817.06, 47,711.67 and 13,084.58

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Solution

The fourth proportional to 31,817.06, 47,711.67 and 13,084.58 is: 19,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,817.06 : 47,711.67 = 13,084.58 : x
  2. Step 2: Convert to fraction form
    31,817.06/47,711.67 = 13,084.58/x
  3. Step 3: Cross multiply
    31,817.06x = 47,711.67 × 13,084.58
  4. Step 4: Simplify right side
    31,817.06x = 624,287,163.05
  5. Step 5: Solve for x
    x = 624,287,163.05/31,817.06
  6. Step 6: Final answer
    x = 19,621.15

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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.