Home / 39,930.96-59,886.21-11,844.45

Finding the Fourth Proportional to 39,930.96, 59,886.21 and 11,844.45

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Solution

The fourth proportional to 39,930.96, 59,886.21 and 11,844.45 is: 17,763.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,930.96 : 59,886.21 = 11,844.45 : x
  2. Step 2: Convert to fraction form
    39,930.96/59,886.21 = 11,844.45/x
  3. Step 3: Cross multiply
    39,930.96x = 59,886.21 × 11,844.45
  4. Step 4: Simplify right side
    39,930.96x = 709,319,220.03
  5. Step 5: Solve for x
    x = 709,319,220.03/39,930.96
  6. Step 6: Final answer
    x = 17,763.64

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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.