Home / 51,230.16-76,847.60-19,216.89

Finding the Fourth Proportional to 51,230.16, 76,847.60 and 19,216.89

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Solution

The fourth proportional to 51,230.16, 76,847.60 and 19,216.89 is: 28,826.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,230.16 : 76,847.60 = 19,216.89 : x
  2. Step 2: Convert to fraction form
    51,230.16/76,847.60 = 19,216.89/x
  3. Step 3: Cross multiply
    51,230.16x = 76,847.60 × 19,216.89
  4. Step 4: Simplify right side
    51,230.16x = 1,476,771,563.76
  5. Step 5: Solve for x
    x = 1,476,771,563.76/51,230.16
  6. Step 6: Final answer
    x = 28,826.21

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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.