Home / 51,059.07-76,623.21-17,778.96

Finding the Fourth Proportional to 51,059.07, 76,623.21 and 17,778.96

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Solution

The fourth proportional to 51,059.07, 76,623.21 and 17,778.96 is: 26,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,059.07 : 76,623.21 = 17,778.96 : x
  2. Step 2: Convert to fraction form
    51,059.07/76,623.21 = 17,778.96/x
  3. Step 3: Cross multiply
    51,059.07x = 76,623.21 × 17,778.96
  4. Step 4: Simplify right side
    51,059.07x = 1,362,280,985.66
  5. Step 5: Solve for x
    x = 1,362,280,985.66/51,059.07
  6. Step 6: Final answer
    x = 26,680.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.