Home / 39,188.46-58,765.66-14,220.20

Finding the Fourth Proportional to 39,188.46, 58,765.66 and 14,220.20

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Solution

The fourth proportional to 39,188.46, 58,765.66 and 14,220.20 is: 21,324.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,188.46 : 58,765.66 = 14,220.20 : x
  2. Step 2: Convert to fraction form
    39,188.46/58,765.66 = 14,220.20/x
  3. Step 3: Cross multiply
    39,188.46x = 58,765.66 × 14,220.20
  4. Step 4: Simplify right side
    39,188.46x = 835,659,438.33
  5. Step 5: Solve for x
    x = 835,659,438.33/39,188.46
  6. Step 6: Final answer
    x = 21,324.12

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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.