Home / 32,906.12-45,394.37-21,570.62

Finding the Fourth Proportional to 32,906.12, 45,394.37 and 21,570.62

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Solution

The fourth proportional to 32,906.12, 45,394.37 and 21,570.62 is: 29,756.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,906.12 : 45,394.37 = 21,570.62 : x
  2. Step 2: Convert to fraction form
    32,906.12/45,394.37 = 21,570.62/x
  3. Step 3: Cross multiply
    32,906.12x = 45,394.37 × 21,570.62
  4. Step 4: Simplify right side
    32,906.12x = 979,184,370.58
  5. Step 5: Solve for x
    x = 979,184,370.58/32,906.12
  6. Step 6: Final answer
    x = 29,756.91

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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.