Home / 39,815.01-59,636.39-18,723.45

Finding the Fourth Proportional to 39,815.01, 59,636.39 and 18,723.45

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Solution

The fourth proportional to 39,815.01, 59,636.39 and 18,723.45 is: 28,044.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,815.01 : 59,636.39 = 18,723.45 : x
  2. Step 2: Convert to fraction form
    39,815.01/59,636.39 = 18,723.45/x
  3. Step 3: Cross multiply
    39,815.01x = 59,636.39 × 18,723.45
  4. Step 4: Simplify right side
    39,815.01x = 1,116,599,096.36
  5. Step 5: Solve for x
    x = 1,116,599,096.36/39,815.01
  6. Step 6: Final answer
    x = 28,044.68

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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.