Home / 39,820.92-59,768.36-20,113.34

Finding the Fourth Proportional to 39,820.92, 59,768.36 and 20,113.34

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Solution

The fourth proportional to 39,820.92, 59,768.36 and 20,113.34 is: 30,188.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,820.92 : 59,768.36 = 20,113.34 : x
  2. Step 2: Convert to fraction form
    39,820.92/59,768.36 = 20,113.34/x
  3. Step 3: Cross multiply
    39,820.92x = 59,768.36 × 20,113.34
  4. Step 4: Simplify right side
    39,820.92x = 1,202,140,946.51
  5. Step 5: Solve for x
    x = 1,202,140,946.51/39,820.92
  6. Step 6: Final answer
    x = 30,188.68

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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.