Home / 47,731.36-65,869.86-26,512.60

Finding the Fourth Proportional to 47,731.36, 65,869.86 and 26,512.60

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Solution

The fourth proportional to 47,731.36, 65,869.86 and 26,512.60 is: 36,587.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.36 : 65,869.86 = 26,512.60 : x
  2. Step 2: Convert to fraction form
    47,731.36/65,869.86 = 26,512.60/x
  3. Step 3: Cross multiply
    47,731.36x = 65,869.86 × 26,512.60
  4. Step 4: Simplify right side
    47,731.36x = 1,746,381,250.24
  5. Step 5: Solve for x
    x = 1,746,381,250.24/47,731.36
  6. Step 6: Final answer
    x = 36,587.71

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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.