Home / 31,218-46,831.67-11,495.04

Finding the Fourth Proportional to 31,218, 46,831.67 and 11,495.04

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Solution

The fourth proportional to 31,218, 46,831.67 and 11,495.04 is: 17,244.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,218 : 46,831.67 = 11,495.04 : x
  2. Step 2: Convert to fraction form
    31,218/46,831.67 = 11,495.04/x
  3. Step 3: Cross multiply
    31,218x = 46,831.67 × 11,495.04
  4. Step 4: Simplify right side
    31,218x = 538,331,862.44
  5. Step 5: Solve for x
    x = 538,331,862.44/31,218
  6. Step 6: Final answer
    x = 17,244.28

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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.