Home / 31,221.24-46,831.95-11,491.26

Finding the Fourth Proportional to 31,221.24, 46,831.95 and 11,491.26

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Solution

The fourth proportional to 31,221.24, 46,831.95 and 11,491.26 is: 17,236.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,221.24 : 46,831.95 = 11,491.26 : x
  2. Step 2: Convert to fraction form
    31,221.24/46,831.95 = 11,491.26/x
  3. Step 3: Cross multiply
    31,221.24x = 46,831.95 × 11,491.26
  4. Step 4: Simplify right side
    31,221.24x = 538,158,113.76
  5. Step 5: Solve for x
    x = 538,158,113.76/31,221.24
  6. Step 6: Final answer
    x = 17,236.92

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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.