Home / 47,981.22-66,214.20-26,761.86

Finding the Fourth Proportional to 47,981.22, 66,214.20 and 26,761.86

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Solution

The fourth proportional to 47,981.22, 66,214.20 and 26,761.86 is: 36,931.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,981.22 : 66,214.20 = 26,761.86 : x
  2. Step 2: Convert to fraction form
    47,981.22/66,214.20 = 26,761.86/x
  3. Step 3: Cross multiply
    47,981.22x = 66,214.20 × 26,761.86
  4. Step 4: Simplify right side
    47,981.22x = 1,772,015,150.41
  5. Step 5: Solve for x
    x = 1,772,015,150.41/47,981.22
  6. Step 6: Final answer
    x = 36,931.43

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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.