Home / 37,551.12-51,820.24-20,555.68

Finding the Fourth Proportional to 37,551.12, 51,820.24 and 20,555.68

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Solution

The fourth proportional to 37,551.12, 51,820.24 and 20,555.68 is: 28,366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,551.12 : 51,820.24 = 20,555.68 : x
  2. Step 2: Convert to fraction form
    37,551.12/51,820.24 = 20,555.68/x
  3. Step 3: Cross multiply
    37,551.12x = 51,820.24 × 20,555.68
  4. Step 4: Simplify right side
    37,551.12x = 1,065,200,270.96
  5. Step 5: Solve for x
    x = 1,065,200,270.96/37,551.12
  6. Step 6: Final answer
    x = 28,366.67

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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.