Home / 39,160.22-58,738.25-13,857.98

Finding the Fourth Proportional to 39,160.22, 58,738.25 and 13,857.98

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Solution

The fourth proportional to 39,160.22, 58,738.25 and 13,857.98 is: 20,786.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,160.22 : 58,738.25 = 13,857.98 : x
  2. Step 2: Convert to fraction form
    39,160.22/58,738.25 = 13,857.98/x
  3. Step 3: Cross multiply
    39,160.22x = 58,738.25 × 13,857.98
  4. Step 4: Simplify right side
    39,160.22x = 813,993,130.75
  5. Step 5: Solve for x
    x = 813,993,130.75/39,160.22
  6. Step 6: Final answer
    x = 20,786.23

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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.