Home / 47,728.78-65,867.09-26,509.41

Finding the Fourth Proportional to 47,728.78, 65,867.09 and 26,509.41

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Solution

The fourth proportional to 47,728.78, 65,867.09 and 26,509.41 is: 36,583.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,728.78 : 65,867.09 = 26,509.41 : x
  2. Step 2: Convert to fraction form
    47,728.78/65,867.09 = 26,509.41/x
  3. Step 3: Cross multiply
    47,728.78x = 65,867.09 × 26,509.41
  4. Step 4: Simplify right side
    47,728.78x = 1,746,097,808.77
  5. Step 5: Solve for x
    x = 1,746,097,808.77/47,728.78
  6. Step 6: Final answer
    x = 36,583.75

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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.