Home / 43,086.92-64,648.20-19,058.60

Finding the Fourth Proportional to 43,086.92, 64,648.20 and 19,058.60

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Solution

The fourth proportional to 43,086.92, 64,648.20 and 19,058.60 is: 28,595.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,086.92 : 64,648.20 = 19,058.60 : x
  2. Step 2: Convert to fraction form
    43,086.92/64,648.20 = 19,058.60/x
  3. Step 3: Cross multiply
    43,086.92x = 64,648.20 × 19,058.60
  4. Step 4: Simplify right side
    43,086.92x = 1,232,104,184.52
  5. Step 5: Solve for x
    x = 1,232,104,184.52/43,086.92
  6. Step 6: Final answer
    x = 28,595.78

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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.