Home / 30,474.02-45,693.42-9,408.43

Finding the Fourth Proportional to 30,474.02, 45,693.42 and 9,408.43

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Solution

The fourth proportional to 30,474.02, 45,693.42 and 9,408.43 is: 14,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,474.02 : 45,693.42 = 9,408.43 : x
  2. Step 2: Convert to fraction form
    30,474.02/45,693.42 = 9,408.43/x
  3. Step 3: Cross multiply
    30,474.02x = 45,693.42 × 9,408.43
  4. Step 4: Simplify right side
    30,474.02x = 429,903,236.85
  5. Step 5: Solve for x
    x = 429,903,236.85/30,474.02
  6. Step 6: Final answer
    x = 14,107.20

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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.