Home / 45,485.61-68,241.58-18,826.67

Finding the Fourth Proportional to 45,485.61, 68,241.58 and 18,826.67

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Solution

The fourth proportional to 45,485.61, 68,241.58 and 18,826.67 is: 28,245.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,485.61 : 68,241.58 = 18,826.67 : x
  2. Step 2: Convert to fraction form
    45,485.61/68,241.58 = 18,826.67/x
  3. Step 3: Cross multiply
    45,485.61x = 68,241.58 × 18,826.67
  4. Step 4: Simplify right side
    45,485.61x = 1,284,761,706.94
  5. Step 5: Solve for x
    x = 1,284,761,706.94/45,485.61
  6. Step 6: Final answer
    x = 28,245.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.