Home / 47,539.06-65,604.87-28,438.54

Finding the Fourth Proportional to 47,539.06, 65,604.87 and 28,438.54

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Solution

The fourth proportional to 47,539.06, 65,604.87 and 28,438.54 is: 39,245.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,539.06 : 65,604.87 = 28,438.54 : x
  2. Step 2: Convert to fraction form
    47,539.06/65,604.87 = 28,438.54/x
  3. Step 3: Cross multiply
    47,539.06x = 65,604.87 × 28,438.54
  4. Step 4: Simplify right side
    47,539.06x = 1,865,706,719.69
  5. Step 5: Solve for x
    x = 1,865,706,719.69/47,539.06
  6. Step 6: Final answer
    x = 39,245.76

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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.