Home / 39,107.12-58,660.34-14,137.74

Finding the Fourth Proportional to 39,107.12, 58,660.34 and 14,137.74

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Solution

The fourth proportional to 39,107.12, 58,660.34 and 14,137.74 is: 21,206.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,107.12 : 58,660.34 = 14,137.74 : x
  2. Step 2: Convert to fraction form
    39,107.12/58,660.34 = 14,137.74/x
  3. Step 3: Cross multiply
    39,107.12x = 58,660.34 × 14,137.74
  4. Step 4: Simplify right side
    39,107.12x = 829,324,564.54
  5. Step 5: Solve for x
    x = 829,324,564.54/39,107.12
  6. Step 6: Final answer
    x = 21,206.49

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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.