Home / 37,182.68-51,311.46-20,415.56

Finding the Fourth Proportional to 37,182.68, 51,311.46 and 20,415.56

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Solution

The fourth proportional to 37,182.68, 51,311.46 and 20,415.56 is: 28,173.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,182.68 : 51,311.46 = 20,415.56 : x
  2. Step 2: Convert to fraction form
    37,182.68/51,311.46 = 20,415.56/x
  3. Step 3: Cross multiply
    37,182.68x = 51,311.46 × 20,415.56
  4. Step 4: Simplify right side
    37,182.68x = 1,047,552,190.32
  5. Step 5: Solve for x
    x = 1,047,552,190.32/37,182.68
  6. Step 6: Final answer
    x = 28,173.12

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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.