Home / 37,558.02-51,830.68-20,561.98

Finding the Fourth Proportional to 37,558.02, 51,830.68 and 20,561.98

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Solution

The fourth proportional to 37,558.02, 51,830.68 and 20,561.98 is: 28,375.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,558.02 : 51,830.68 = 20,561.98 : x
  2. Step 2: Convert to fraction form
    37,558.02/51,830.68 = 20,561.98/x
  3. Step 3: Cross multiply
    37,558.02x = 51,830.68 × 20,561.98
  4. Step 4: Simplify right side
    37,558.02x = 1,065,741,340.76
  5. Step 5: Solve for x
    x = 1,065,741,340.76/37,558.02
  6. Step 6: Final answer
    x = 28,375.87

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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.