Home / 30,760.83-46,139.31-8,577.36

Finding the Fourth Proportional to 30,760.83, 46,139.31 and 8,577.36

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Solution

The fourth proportional to 30,760.83, 46,139.31 and 8,577.36 is: 12,865.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,760.83 : 46,139.31 = 8,577.36 : x
  2. Step 2: Convert to fraction form
    30,760.83/46,139.31 = 8,577.36/x
  3. Step 3: Cross multiply
    30,760.83x = 46,139.31 × 8,577.36
  4. Step 4: Simplify right side
    30,760.83x = 395,753,472.02
  5. Step 5: Solve for x
    x = 395,753,472.02/30,760.83
  6. Step 6: Final answer
    x = 12,865.50

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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.