Home / 31,127.53-46,698.23-8,939.17

Finding the Fourth Proportional to 31,127.53, 46,698.23 and 8,939.17

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Solution

The fourth proportional to 31,127.53, 46,698.23 and 8,939.17 is: 13,410.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,127.53 : 46,698.23 = 8,939.17 : x
  2. Step 2: Convert to fraction form
    31,127.53/46,698.23 = 8,939.17/x
  3. Step 3: Cross multiply
    31,127.53x = 46,698.23 × 8,939.17
  4. Step 4: Simplify right side
    31,127.53x = 417,443,416.67
  5. Step 5: Solve for x
    x = 417,443,416.67/31,127.53
  6. Step 6: Final answer
    x = 13,410.75

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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.