Home / 31,542.84-47,172.24-28,053.36

Finding the Fourth Proportional to 31,542.84, 47,172.24 and 28,053.36

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Solution

The fourth proportional to 31,542.84, 47,172.24 and 28,053.36 is: 41,953.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.84 : 47,172.24 = 28,053.36 : x
  2. Step 2: Convert to fraction form
    31,542.84/47,172.24 = 28,053.36/x
  3. Step 3: Cross multiply
    31,542.84x = 47,172.24 × 28,053.36
  4. Step 4: Simplify right side
    31,542.84x = 1,323,339,830.73
  5. Step 5: Solve for x
    x = 1,323,339,830.73/31,542.84
  6. Step 6: Final answer
    x = 41,953.73

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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.