Home / 47,731.78-65,871.23-26,512.41

Finding the Fourth Proportional to 47,731.78, 65,871.23 and 26,512.41

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Solution

The fourth proportional to 47,731.78, 65,871.23 and 26,512.41 is: 36,587.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.78 : 65,871.23 = 26,512.41 : x
  2. Step 2: Convert to fraction form
    47,731.78/65,871.23 = 26,512.41/x
  3. Step 3: Cross multiply
    47,731.78x = 65,871.23 × 26,512.41
  4. Step 4: Simplify right side
    47,731.78x = 1,746,405,056.96
  5. Step 5: Solve for x
    x = 1,746,405,056.96/47,731.78
  6. Step 6: Final answer
    x = 36,587.89

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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.