Home / 36,639.55-54,795.30-30,734.65

Finding the Fourth Proportional to 36,639.55, 54,795.30 and 30,734.65

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Solution

The fourth proportional to 36,639.55, 54,795.30 and 30,734.65 is: 45,964.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,639.55 : 54,795.30 = 30,734.65 : x
  2. Step 2: Convert to fraction form
    36,639.55/54,795.30 = 30,734.65/x
  3. Step 3: Cross multiply
    36,639.55x = 54,795.30 × 30,734.65
  4. Step 4: Simplify right side
    36,639.55x = 1,684,114,367.15
  5. Step 5: Solve for x
    x = 1,684,114,367.15/36,639.55
  6. Step 6: Final answer
    x = 45,964.38

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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.