Home / 39,189.21-58,768.62-14,223.18

Finding the Fourth Proportional to 39,189.21, 58,768.62 and 14,223.18

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Solution

The fourth proportional to 39,189.21, 58,768.62 and 14,223.18 is: 21,329.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,189.21 : 58,768.62 = 14,223.18 : x
  2. Step 2: Convert to fraction form
    39,189.21/58,768.62 = 14,223.18/x
  3. Step 3: Cross multiply
    39,189.21x = 58,768.62 × 14,223.18
  4. Step 4: Simplify right side
    39,189.21x = 835,876,660.61
  5. Step 5: Solve for x
    x = 835,876,660.61/39,189.21
  6. Step 6: Final answer
    x = 21,329.26

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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.