Home / 47,584.12-65,636.34-30,610.48

Finding the Fourth Proportional to 47,584.12, 65,636.34 and 30,610.48

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Solution

The fourth proportional to 47,584.12, 65,636.34 and 30,610.48 is: 42,223.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,584.12 : 65,636.34 = 30,610.48 : x
  2. Step 2: Convert to fraction form
    47,584.12/65,636.34 = 30,610.48/x
  3. Step 3: Cross multiply
    47,584.12x = 65,636.34 × 30,610.48
  4. Step 4: Simplify right side
    47,584.12x = 2,009,159,872.84
  5. Step 5: Solve for x
    x = 2,009,159,872.84/47,584.12
  6. Step 6: Final answer
    x = 42,223.33

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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.