Home / 30,365.20-45,634.20-26,563.60

Finding the Fourth Proportional to 30,365.20, 45,634.20 and 26,563.60

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Solution

The fourth proportional to 30,365.20, 45,634.20 and 26,563.60 is: 39,920.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,365.20 : 45,634.20 = 26,563.60 : x
  2. Step 2: Convert to fraction form
    30,365.20/45,634.20 = 26,563.60/x
  3. Step 3: Cross multiply
    30,365.20x = 45,634.20 × 26,563.60
  4. Step 4: Simplify right side
    30,365.20x = 1,212,208,635.12
  5. Step 5: Solve for x
    x = 1,212,208,635.12/30,365.20
  6. Step 6: Final answer
    x = 39,920.98

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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.