Home / 31,313.85-46,975.95-15,519.62

Finding the Fourth Proportional to 31,313.85, 46,975.95 and 15,519.62

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Solution

The fourth proportional to 31,313.85, 46,975.95 and 15,519.62 is: 23,281.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.85 : 46,975.95 = 15,519.62 : x
  2. Step 2: Convert to fraction form
    31,313.85/46,975.95 = 15,519.62/x
  3. Step 3: Cross multiply
    31,313.85x = 46,975.95 × 15,519.62
  4. Step 4: Simplify right side
    31,313.85x = 729,048,658.26
  5. Step 5: Solve for x
    x = 729,048,658.26/31,313.85
  6. Step 6: Final answer
    x = 23,281.99

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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.