Home / 37,539.64-51,806.36-20,772.64

Finding the Fourth Proportional to 37,539.64, 51,806.36 and 20,772.64

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Solution

The fourth proportional to 37,539.64, 51,806.36 and 20,772.64 is: 28,667.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,539.64 : 51,806.36 = 20,772.64 : x
  2. Step 2: Convert to fraction form
    37,539.64/51,806.36 = 20,772.64/x
  3. Step 3: Cross multiply
    37,539.64x = 51,806.36 × 20,772.64
  4. Step 4: Simplify right side
    37,539.64x = 1,076,154,865.99
  5. Step 5: Solve for x
    x = 1,076,154,865.99/37,539.64
  6. Step 6: Final answer
    x = 28,667.16

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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.