Home / 30,173.46-41,639.76-16,745.10

Finding the Fourth Proportional to 30,173.46, 41,639.76 and 16,745.10

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Solution

The fourth proportional to 30,173.46, 41,639.76 and 16,745.10 is: 23,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.46 : 41,639.76 = 16,745.10 : x
  2. Step 2: Convert to fraction form
    30,173.46/41,639.76 = 16,745.10/x
  3. Step 3: Cross multiply
    30,173.46x = 41,639.76 × 16,745.10
  4. Step 4: Simplify right side
    30,173.46x = 697,261,945.18
  5. Step 5: Solve for x
    x = 697,261,945.18/30,173.46
  6. Step 6: Final answer
    x = 23,108.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.