Home / 39,768.44-59,652.68-18,693.01

Finding the Fourth Proportional to 39,768.44, 59,652.68 and 18,693.01

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Solution

The fourth proportional to 39,768.44, 59,652.68 and 18,693.01 is: 28,039.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,768.44 : 59,652.68 = 18,693.01 : x
  2. Step 2: Convert to fraction form
    39,768.44/59,652.68 = 18,693.01/x
  3. Step 3: Cross multiply
    39,768.44x = 59,652.68 × 18,693.01
  4. Step 4: Simplify right side
    39,768.44x = 1,115,087,901.17
  5. Step 5: Solve for x
    x = 1,115,087,901.17/39,768.44
  6. Step 6: Final answer
    x = 28,039.52

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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.