Home / 31,315.22-46,882.58-20,795.75

Finding the Fourth Proportional to 31,315.22, 46,882.58 and 20,795.75

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Solution

The fourth proportional to 31,315.22, 46,882.58 and 20,795.75 is: 31,133.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,315.22 : 46,882.58 = 20,795.75 : x
  2. Step 2: Convert to fraction form
    31,315.22/46,882.58 = 20,795.75/x
  3. Step 3: Cross multiply
    31,315.22x = 46,882.58 × 20,795.75
  4. Step 4: Simplify right side
    31,315.22x = 974,958,074.64
  5. Step 5: Solve for x
    x = 974,958,074.64/31,315.22
  6. Step 6: Final answer
    x = 31,133.69

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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.