Home / 39,719.39-59,579.03-10,137.22

Finding the Fourth Proportional to 39,719.39, 59,579.03 and 10,137.22

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Solution

The fourth proportional to 39,719.39, 59,579.03 and 10,137.22 is: 15,205.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,719.39 : 59,579.03 = 10,137.22 : x
  2. Step 2: Convert to fraction form
    39,719.39/59,579.03 = 10,137.22/x
  3. Step 3: Cross multiply
    39,719.39x = 59,579.03 × 10,137.22
  4. Step 4: Simplify right side
    39,719.39x = 603,965,832.76
  5. Step 5: Solve for x
    x = 603,965,832.76/39,719.39
  6. Step 6: Final answer
    x = 15,205.82

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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.