Home / 31,558.28-47,292.30-23,172.50

Finding the Fourth Proportional to 31,558.28, 47,292.30 and 23,172.50

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Solution

The fourth proportional to 31,558.28, 47,292.30 and 23,172.50 is: 34,725.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,558.28 : 47,292.30 = 23,172.50 : x
  2. Step 2: Convert to fraction form
    31,558.28/47,292.30 = 23,172.50/x
  3. Step 3: Cross multiply
    31,558.28x = 47,292.30 × 23,172.50
  4. Step 4: Simplify right side
    31,558.28x = 1,095,880,821.75
  5. Step 5: Solve for x
    x = 1,095,880,821.75/31,558.28
  6. Step 6: Final answer
    x = 34,725.62

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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.