Home / 31,118.28-46,684.36-8,929.93

Finding the Fourth Proportional to 31,118.28, 46,684.36 and 8,929.93

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Solution

The fourth proportional to 31,118.28, 46,684.36 and 8,929.93 is: 13,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,118.28 : 46,684.36 = 8,929.93 : x
  2. Step 2: Convert to fraction form
    31,118.28/46,684.36 = 8,929.93/x
  3. Step 3: Cross multiply
    31,118.28x = 46,684.36 × 8,929.93
  4. Step 4: Simplify right side
    31,118.28x = 416,887,814.26
  5. Step 5: Solve for x
    x = 416,887,814.26/31,118.28
  6. Step 6: Final answer
    x = 13,396.88

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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.