Home / 45,311.10-68,039.55-34,230.30

Finding the Fourth Proportional to 45,311.10, 68,039.55 and 34,230.30

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Solution

The fourth proportional to 45,311.10, 68,039.55 and 34,230.30 is: 51,400.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,311.10 : 68,039.55 = 34,230.30 : x
  2. Step 2: Convert to fraction form
    45,311.10/68,039.55 = 34,230.30/x
  3. Step 3: Cross multiply
    45,311.10x = 68,039.55 × 34,230.30
  4. Step 4: Simplify right side
    45,311.10x = 2,329,014,208.37
  5. Step 5: Solve for x
    x = 2,329,014,208.37/45,311.10
  6. Step 6: Final answer
    x = 51,400.52

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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.