Home / 30,949.37-46,426.04-8,764.50

Finding the Fourth Proportional to 30,949.37, 46,426.04 and 8,764.50

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Solution

The fourth proportional to 30,949.37, 46,426.04 and 8,764.50 is: 13,147.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,949.37 : 46,426.04 = 8,764.50 : x
  2. Step 2: Convert to fraction form
    30,949.37/46,426.04 = 8,764.50/x
  3. Step 3: Cross multiply
    30,949.37x = 46,426.04 × 8,764.50
  4. Step 4: Simplify right side
    30,949.37x = 406,901,166.07
  5. Step 5: Solve for x
    x = 406,901,166.07/30,949.37
  6. Step 6: Final answer
    x = 13,147.31

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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.