Home / 51,223.06-76,831.89-15,684.43

Finding the Fourth Proportional to 51,223.06, 76,831.89 and 15,684.43

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Solution

The fourth proportional to 51,223.06, 76,831.89 and 15,684.43 is: 23,525.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,223.06 : 76,831.89 = 15,684.43 : x
  2. Step 2: Convert to fraction form
    51,223.06/76,831.89 = 15,684.43/x
  3. Step 3: Cross multiply
    51,223.06x = 76,831.89 × 15,684.43
  4. Step 4: Simplify right side
    51,223.06x = 1,205,064,400.47
  5. Step 5: Solve for x
    x = 1,205,064,400.47/51,223.06
  6. Step 6: Final answer
    x = 23,525.82

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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.