Home / 53,556.41-80,339.93-19,831.43

Finding the Fourth Proportional to 53,556.41, 80,339.93 and 19,831.43

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Solution

The fourth proportional to 53,556.41, 80,339.93 and 19,831.43 is: 29,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,556.41 : 80,339.93 = 19,831.43 : x
  2. Step 2: Convert to fraction form
    53,556.41/80,339.93 = 19,831.43/x
  3. Step 3: Cross multiply
    53,556.41x = 80,339.93 × 19,831.43
  4. Step 4: Simplify right side
    53,556.41x = 1,593,255,985.61
  5. Step 5: Solve for x
    x = 1,593,255,985.61/53,556.41
  6. Step 6: Final answer
    x = 29,749.12

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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.