Home / 30,669.46-45,976.84-10,943.64

Finding the Fourth Proportional to 30,669.46, 45,976.84 and 10,943.64

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Solution

The fourth proportional to 30,669.46, 45,976.84 and 10,943.64 is: 16,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,669.46 : 45,976.84 = 10,943.64 : x
  2. Step 2: Convert to fraction form
    30,669.46/45,976.84 = 10,943.64/x
  3. Step 3: Cross multiply
    30,669.46x = 45,976.84 × 10,943.64
  4. Step 4: Simplify right side
    30,669.46x = 503,153,957.94
  5. Step 5: Solve for x
    x = 503,153,957.94/30,669.46
  6. Step 6: Final answer
    x = 16,405.70

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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.