Home / 34,706.40-47,894.26-18,790.72

Finding the Fourth Proportional to 34,706.40, 47,894.26 and 18,790.72

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Solution

The fourth proportional to 34,706.40, 47,894.26 and 18,790.72 is: 25,930.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,706.40 : 47,894.26 = 18,790.72 : x
  2. Step 2: Convert to fraction form
    34,706.40/47,894.26 = 18,790.72/x
  3. Step 3: Cross multiply
    34,706.40x = 47,894.26 × 18,790.72
  4. Step 4: Simplify right side
    34,706.40x = 899,967,629.27
  5. Step 5: Solve for x
    x = 899,967,629.27/34,706.40
  6. Step 6: Final answer
    x = 25,930.88

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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.