Home / 37,647.36-51,946.56-21,732.48

Finding the Fourth Proportional to 37,647.36, 51,946.56 and 21,732.48

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Solution

The fourth proportional to 37,647.36, 51,946.56 and 21,732.48 is: 29,986.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,647.36 : 51,946.56 = 21,732.48 : x
  2. Step 2: Convert to fraction form
    37,647.36/51,946.56 = 21,732.48/x
  3. Step 3: Cross multiply
    37,647.36x = 51,946.56 × 21,732.48
  4. Step 4: Simplify right side
    37,647.36x = 1,128,927,576.27
  5. Step 5: Solve for x
    x = 1,128,927,576.27/37,647.36
  6. Step 6: Final answer
    x = 29,986.90

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1.5x scale

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.