Home / 30,749.28-46,118.88-8,564.16

Finding the Fourth Proportional to 30,749.28, 46,118.88 and 8,564.16

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Solution

The fourth proportional to 30,749.28, 46,118.88 and 8,564.16 is: 12,844.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,749.28 : 46,118.88 = 8,564.16 : x
  2. Step 2: Convert to fraction form
    30,749.28/46,118.88 = 8,564.16/x
  3. Step 3: Cross multiply
    30,749.28x = 46,118.88 × 8,564.16
  4. Step 4: Simplify right side
    30,749.28x = 394,969,467.34
  5. Step 5: Solve for x
    x = 394,969,467.34/30,749.28
  6. Step 6: Final answer
    x = 12,844.84

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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.