Home / 39,823.19-59,693.47-19,819.43

Finding the Fourth Proportional to 39,823.19, 59,693.47 and 19,819.43

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Solution

The fourth proportional to 39,823.19, 59,693.47 and 19,819.43 is: 29,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,823.19 : 59,693.47 = 19,819.43 : x
  2. Step 2: Convert to fraction form
    39,823.19/59,693.47 = 19,819.43/x
  3. Step 3: Cross multiply
    39,823.19x = 59,693.47 × 19,819.43
  4. Step 4: Simplify right side
    39,823.19x = 1,183,090,550.12
  5. Step 5: Solve for x
    x = 1,183,090,550.12/39,823.19
  6. Step 6: Final answer
    x = 29,708.58

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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.