Home / 47,633.67-65,764.58-30,645.81

Finding the Fourth Proportional to 47,633.67, 65,764.58 and 30,645.81

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Solution

The fourth proportional to 47,633.67, 65,764.58 and 30,645.81 is: 42,310.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,633.67 : 65,764.58 = 30,645.81 : x
  2. Step 2: Convert to fraction form
    47,633.67/65,764.58 = 30,645.81/x
  3. Step 3: Cross multiply
    47,633.67x = 65,764.58 × 30,645.81
  4. Step 4: Simplify right side
    47,633.67x = 2,015,408,670.18
  5. Step 5: Solve for x
    x = 2,015,408,670.18/47,633.67
  6. Step 6: Final answer
    x = 42,310.59

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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.