Home / 47,347.21-65,315.74-30,984.73

Finding the Fourth Proportional to 47,347.21, 65,315.74 and 30,984.73

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Solution

The fourth proportional to 47,347.21, 65,315.74 and 30,984.73 is: 42,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,347.21 : 65,315.74 = 30,984.73 : x
  2. Step 2: Convert to fraction form
    47,347.21/65,315.74 = 30,984.73/x
  3. Step 3: Cross multiply
    47,347.21x = 65,315.74 × 30,984.73
  4. Step 4: Simplify right side
    47,347.21x = 2,023,790,568.65
  5. Step 5: Solve for x
    x = 2,023,790,568.65/47,347.21
  6. Step 6: Final answer
    x = 42,743.61

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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.