Home / 39,982.82-59,973.95-13,330.85

Finding the Fourth Proportional to 39,982.82, 59,973.95 and 13,330.85

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Solution

The fourth proportional to 39,982.82, 59,973.95 and 13,330.85 is: 19,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,982.82 : 59,973.95 = 13,330.85 : x
  2. Step 2: Convert to fraction form
    39,982.82/59,973.95 = 13,330.85/x
  3. Step 3: Cross multiply
    39,982.82x = 59,973.95 × 13,330.85
  4. Step 4: Simplify right side
    39,982.82x = 799,503,464.81
  5. Step 5: Solve for x
    x = 799,503,464.81/39,982.82
  6. Step 6: Final answer
    x = 19,996.18

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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.