Home / 38,747.88-58,119.77-12,450.58

Finding the Fourth Proportional to 38,747.88, 58,119.77 and 12,450.58

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Solution

The fourth proportional to 38,747.88, 58,119.77 and 12,450.58 is: 18,675.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,747.88 : 58,119.77 = 12,450.58 : x
  2. Step 2: Convert to fraction form
    38,747.88/58,119.77 = 12,450.58/x
  3. Step 3: Cross multiply
    38,747.88x = 58,119.77 × 12,450.58
  4. Step 4: Simplify right side
    38,747.88x = 723,624,731.79
  5. Step 5: Solve for x
    x = 723,624,731.79/38,747.88
  6. Step 6: Final answer
    x = 18,675.21

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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.