Home / 30,500.55-45,751.37-8,316.27

Finding the Fourth Proportional to 30,500.55, 45,751.37 and 8,316.27

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Solution

The fourth proportional to 30,500.55, 45,751.37 and 8,316.27 is: 12,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,500.55 : 45,751.37 = 8,316.27 : x
  2. Step 2: Convert to fraction form
    30,500.55/45,751.37 = 8,316.27/x
  3. Step 3: Cross multiply
    30,500.55x = 45,751.37 × 8,316.27
  4. Step 4: Simplify right side
    30,500.55x = 380,480,704.21
  5. Step 5: Solve for x
    x = 380,480,704.21/30,500.55
  6. Step 6: Final answer
    x = 12,474.55

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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.