Home / 37,548.92-51,816.78-20,782.04

Finding the Fourth Proportional to 37,548.92, 51,816.78 and 20,782.04

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Solution

The fourth proportional to 37,548.92, 51,816.78 and 20,782.04 is: 28,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,548.92 : 51,816.78 = 20,782.04 : x
  2. Step 2: Convert to fraction form
    37,548.92/51,816.78 = 20,782.04/x
  3. Step 3: Cross multiply
    37,548.92x = 51,816.78 × 20,782.04
  4. Step 4: Simplify right side
    37,548.92x = 1,076,858,394.63
  5. Step 5: Solve for x
    x = 1,076,858,394.63/37,548.92
  6. Step 6: Final answer
    x = 28,678.81

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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.