Home / 39,719.36-59,579.01-10,137.20

Finding the Fourth Proportional to 39,719.36, 59,579.01 and 10,137.20

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Solution

The fourth proportional to 39,719.36, 59,579.01 and 10,137.20 is: 15,205.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,719.36 : 59,579.01 = 10,137.20 : x
  2. Step 2: Convert to fraction form
    39,719.36/59,579.01 = 10,137.20/x
  3. Step 3: Cross multiply
    39,719.36x = 59,579.01 × 10,137.20
  4. Step 4: Simplify right side
    39,719.36x = 603,964,340.17
  5. Step 5: Solve for x
    x = 603,964,340.17/39,719.36
  6. Step 6: Final answer
    x = 15,205.79

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1.5x scale

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.