Home / 30,672.02-46,029.21-20,147.08

Finding the Fourth Proportional to 30,672.02, 46,029.21 and 20,147.08

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Solution

The fourth proportional to 30,672.02, 46,029.21 and 20,147.08 is: 30,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,672.02 : 46,029.21 = 20,147.08 : x
  2. Step 2: Convert to fraction form
    30,672.02/46,029.21 = 20,147.08/x
  3. Step 3: Cross multiply
    30,672.02x = 46,029.21 × 20,147.08
  4. Step 4: Simplify right side
    30,672.02x = 927,354,185.21
  5. Step 5: Solve for x
    x = 927,354,185.21/30,672.02
  6. Step 6: Final answer
    x = 30,234.54

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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.