Home / 37,539.04-51,803.84-20,774.56

Finding the Fourth Proportional to 37,539.04, 51,803.84 and 20,774.56

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Solution

The fourth proportional to 37,539.04, 51,803.84 and 20,774.56 is: 28,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,539.04 : 51,803.84 = 20,774.56 : x
  2. Step 2: Convert to fraction form
    37,539.04/51,803.84 = 20,774.56/x
  3. Step 3: Cross multiply
    37,539.04x = 51,803.84 × 20,774.56
  4. Step 4: Simplify right side
    37,539.04x = 1,076,201,982.31
  5. Step 5: Solve for x
    x = 1,076,201,982.31/37,539.04
  6. Step 6: Final answer
    x = 28,668.87

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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.