Home / 47,892.03-71,838.96-12,831.39

Finding the Fourth Proportional to 47,892.03, 71,838.96 and 12,831.39

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Solution

The fourth proportional to 47,892.03, 71,838.96 and 12,831.39 is: 19,247.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,892.03 : 71,838.96 = 12,831.39 : x
  2. Step 2: Convert to fraction form
    47,892.03/71,838.96 = 12,831.39/x
  3. Step 3: Cross multiply
    47,892.03x = 71,838.96 × 12,831.39
  4. Step 4: Simplify right side
    47,892.03x = 921,793,712.95
  5. Step 5: Solve for x
    x = 921,793,712.95/47,892.03
  6. Step 6: Final answer
    x = 19,247.33

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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.