Home / 47,910.64-66,116.64-26,689.72

Finding the Fourth Proportional to 47,910.64, 66,116.64 and 26,689.72

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Solution

The fourth proportional to 47,910.64, 66,116.64 and 26,689.72 is: 36,831.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,910.64 : 66,116.64 = 26,689.72 : x
  2. Step 2: Convert to fraction form
    47,910.64/66,116.64 = 26,689.72/x
  3. Step 3: Cross multiply
    47,910.64x = 66,116.64 × 26,689.72
  4. Step 4: Simplify right side
    47,910.64x = 1,764,634,608.94
  5. Step 5: Solve for x
    x = 1,764,634,608.94/47,910.64
  6. Step 6: Final answer
    x = 36,831.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.