Home / 39,719.49-59,579.19-10,137.32

Finding the Fourth Proportional to 39,719.49, 59,579.19 and 10,137.32

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Solution

The fourth proportional to 39,719.49, 59,579.19 and 10,137.32 is: 15,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,719.49 : 59,579.19 = 10,137.32 : x
  2. Step 2: Convert to fraction form
    39,719.49/59,579.19 = 10,137.32/x
  3. Step 3: Cross multiply
    39,719.49x = 59,579.19 × 10,137.32
  4. Step 4: Simplify right side
    39,719.49x = 603,973,314.37
  5. Step 5: Solve for x
    x = 603,973,314.37/39,719.49
  6. Step 6: Final answer
    x = 15,205.97

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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.