Home / 30,945.16-46,403.34-11,222.92

Finding the Fourth Proportional to 30,945.16, 46,403.34 and 11,222.92

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Solution

The fourth proportional to 30,945.16, 46,403.34 and 11,222.92 is: 16,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945.16 : 46,403.34 = 11,222.92 : x
  2. Step 2: Convert to fraction form
    30,945.16/46,403.34 = 11,222.92/x
  3. Step 3: Cross multiply
    30,945.16x = 46,403.34 × 11,222.92
  4. Step 4: Simplify right side
    30,945.16x = 520,780,972.55
  5. Step 5: Solve for x
    x = 520,780,972.55/30,945.16
  6. Step 6: Final answer
    x = 16,829.16

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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.