Home / 30,911.66-46,370.89-9,846.80

Finding the Fourth Proportional to 30,911.66, 46,370.89 and 9,846.80

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Solution

The fourth proportional to 30,911.66, 46,370.89 and 9,846.80 is: 14,771.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,911.66 : 46,370.89 = 9,846.80 : x
  2. Step 2: Convert to fraction form
    30,911.66/46,370.89 = 9,846.80/x
  3. Step 3: Cross multiply
    30,911.66x = 46,370.89 × 9,846.80
  4. Step 4: Simplify right side
    30,911.66x = 456,604,647.80
  5. Step 5: Solve for x
    x = 456,604,647.80/30,911.66
  6. Step 6: Final answer
    x = 14,771.28

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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.