Home / 23,031.24-34,541.70-8,991.60

Finding the Fourth Proportional to 23,031.24, 34,541.70 and 8,991.60

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Solution

The fourth proportional to 23,031.24, 34,541.70 and 8,991.60 is: 13,485.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,031.24 : 34,541.70 = 8,991.60 : x
  2. Step 2: Convert to fraction form
    23,031.24/34,541.70 = 8,991.60/x
  3. Step 3: Cross multiply
    23,031.24x = 34,541.70 × 8,991.60
  4. Step 4: Simplify right side
    23,031.24x = 310,585,149.72
  5. Step 5: Solve for x
    x = 310,585,149.72/23,031.24
  6. Step 6: Final answer
    x = 13,485.39

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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.