Home / 31,127.01-46,698.63-8,942.19

Finding the Fourth Proportional to 31,127.01, 46,698.63 and 8,942.19

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Solution

The fourth proportional to 31,127.01, 46,698.63 and 8,942.19 is: 13,415.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,127.01 : 46,698.63 = 8,942.19 : x
  2. Step 2: Convert to fraction form
    31,127.01/46,698.63 = 8,942.19/x
  3. Step 3: Cross multiply
    31,127.01x = 46,698.63 × 8,942.19
  4. Step 4: Simplify right side
    31,127.01x = 417,588,022.20
  5. Step 5: Solve for x
    x = 417,588,022.20/31,127.01
  6. Step 6: Final answer
    x = 13,415.62

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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.