Home / 30,711.56-46,047.18-10,979.96

Finding the Fourth Proportional to 30,711.56, 46,047.18 and 10,979.96

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Solution

The fourth proportional to 30,711.56, 46,047.18 and 10,979.96 is: 16,462.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,711.56 : 46,047.18 = 10,979.96 : x
  2. Step 2: Convert to fraction form
    30,711.56/46,047.18 = 10,979.96/x
  3. Step 3: Cross multiply
    30,711.56x = 46,047.18 × 10,979.96
  4. Step 4: Simplify right side
    30,711.56x = 505,596,194.51
  5. Step 5: Solve for x
    x = 505,596,194.51/30,711.56
  6. Step 6: Final answer
    x = 16,462.73

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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.