Home / 31,116.79-46,680.32-11,422.99

Finding the Fourth Proportional to 31,116.79, 46,680.32 and 11,422.99

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Solution

The fourth proportional to 31,116.79, 46,680.32 and 11,422.99 is: 17,136.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,116.79 : 46,680.32 = 11,422.99 : x
  2. Step 2: Convert to fraction form
    31,116.79/46,680.32 = 11,422.99/x
  3. Step 3: Cross multiply
    31,116.79x = 46,680.32 × 11,422.99
  4. Step 4: Simplify right side
    31,116.79x = 533,228,828.56
  5. Step 5: Solve for x
    x = 533,228,828.56/31,116.79
  6. Step 6: Final answer
    x = 17,136.37

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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.