Home / 39,410.37-59,102.60-13,108.05

Finding the Fourth Proportional to 39,410.37, 59,102.60 and 13,108.05

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Solution

The fourth proportional to 39,410.37, 59,102.60 and 13,108.05 is: 19,657.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,410.37 : 59,102.60 = 13,108.05 : x
  2. Step 2: Convert to fraction form
    39,410.37/59,102.60 = 13,108.05/x
  3. Step 3: Cross multiply
    39,410.37x = 59,102.60 × 13,108.05
  4. Step 4: Simplify right side
    39,410.37x = 774,719,770.39
  5. Step 5: Solve for x
    x = 774,719,770.39/39,410.37
  6. Step 6: Final answer
    x = 19,657.76

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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.