Home / 45,352.98-68,050.26-20,399.58

Finding the Fourth Proportional to 45,352.98, 68,050.26 and 20,399.58

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Solution

The fourth proportional to 45,352.98, 68,050.26 and 20,399.58 is: 30,608.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,352.98 : 68,050.26 = 20,399.58 : x
  2. Step 2: Convert to fraction form
    45,352.98/68,050.26 = 20,399.58/x
  3. Step 3: Cross multiply
    45,352.98x = 68,050.26 × 20,399.58
  4. Step 4: Simplify right side
    45,352.98x = 1,388,196,722.89
  5. Step 5: Solve for x
    x = 1,388,196,722.89/45,352.98
  6. Step 6: Final answer
    x = 30,608.72

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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.