Home / 47,516.40-71,290.43-15,929.58

Finding the Fourth Proportional to 47,516.40, 71,290.43 and 15,929.58

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Solution

The fourth proportional to 47,516.40, 71,290.43 and 15,929.58 is: 23,899.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,516.40 : 71,290.43 = 15,929.58 : x
  2. Step 2: Convert to fraction form
    47,516.40/71,290.43 = 15,929.58/x
  3. Step 3: Cross multiply
    47,516.40x = 71,290.43 × 15,929.58
  4. Step 4: Simplify right side
    47,516.40x = 1,135,626,607.92
  5. Step 5: Solve for x
    x = 1,135,626,607.92/47,516.40
  6. Step 6: Final answer
    x = 23,899.68

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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.