Home / 47,831.64-71,755.31-14,543.99

Finding the Fourth Proportional to 47,831.64, 71,755.31 and 14,543.99

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Solution

The fourth proportional to 47,831.64, 71,755.31 and 14,543.99 is: 21,818.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,831.64 : 71,755.31 = 14,543.99 : x
  2. Step 2: Convert to fraction form
    47,831.64/71,755.31 = 14,543.99/x
  3. Step 3: Cross multiply
    47,831.64x = 71,755.31 × 14,543.99
  4. Step 4: Simplify right side
    47,831.64x = 1,043,608,079.59
  5. Step 5: Solve for x
    x = 1,043,608,079.59/47,831.64
  6. Step 6: Final answer
    x = 21,818.36

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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.