Home / 47,450.78-65,479.22-26,228.78

Finding the Fourth Proportional to 47,450.78, 65,479.22 and 26,228.78

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Solution

The fourth proportional to 47,450.78, 65,479.22 and 26,228.78 is: 36,194.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,450.78 : 65,479.22 = 26,228.78 : x
  2. Step 2: Convert to fraction form
    47,450.78/65,479.22 = 26,228.78/x
  3. Step 3: Cross multiply
    47,450.78x = 65,479.22 × 26,228.78
  4. Step 4: Simplify right side
    47,450.78x = 1,717,440,055.95
  5. Step 5: Solve for x
    x = 1,717,440,055.95/47,450.78
  6. Step 6: Final answer
    x = 36,194.14

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1.5x scale

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.