Home / 39,835.79-59,739.76-11,748.39

Finding the Fourth Proportional to 39,835.79, 59,739.76 and 11,748.39

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Solution

The fourth proportional to 39,835.79, 59,739.76 and 11,748.39 is: 17,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,835.79 : 59,739.76 = 11,748.39 : x
  2. Step 2: Convert to fraction form
    39,835.79/59,739.76 = 11,748.39/x
  3. Step 3: Cross multiply
    39,835.79x = 59,739.76 × 11,748.39
  4. Step 4: Simplify right side
    39,835.79x = 701,845,969.62
  5. Step 5: Solve for x
    x = 701,845,969.62/39,835.79
  6. Step 6: Final answer
    x = 17,618.48

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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.