Home / 34,051.20-50,979.60-30,163.20

Finding the Fourth Proportional to 34,051.20, 50,979.60 and 30,163.20

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Solution

The fourth proportional to 34,051.20, 50,979.60 and 30,163.20 is: 45,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,051.20 : 50,979.60 = 30,163.20 : x
  2. Step 2: Convert to fraction form
    34,051.20/50,979.60 = 30,163.20/x
  3. Step 3: Cross multiply
    34,051.20x = 50,979.60 × 30,163.20
  4. Step 4: Simplify right side
    34,051.20x = 1,537,707,870.72
  5. Step 5: Solve for x
    x = 1,537,707,870.72/34,051.20
  6. Step 6: Final answer
    x = 45,158.70

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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.