Home / 45,669.83-68,458.37-30,880.44

Finding the Fourth Proportional to 45,669.83, 68,458.37 and 30,880.44

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Solution

The fourth proportional to 45,669.83, 68,458.37 and 30,880.44 is: 46,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,669.83 : 68,458.37 = 30,880.44 : x
  2. Step 2: Convert to fraction form
    45,669.83/68,458.37 = 30,880.44/x
  3. Step 3: Cross multiply
    45,669.83x = 68,458.37 × 30,880.44
  4. Step 4: Simplify right side
    45,669.83x = 2,114,024,432.88
  5. Step 5: Solve for x
    x = 2,114,024,432.88/45,669.83
  6. Step 6: Final answer
    x = 46,289.30

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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.