Home / 38,763.93-58,108.98-12,450.21

Finding the Fourth Proportional to 38,763.93, 58,108.98 and 12,450.21

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Solution

The fourth proportional to 38,763.93, 58,108.98 and 12,450.21 is: 18,663.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,763.93 : 58,108.98 = 12,450.21 : x
  2. Step 2: Convert to fraction form
    38,763.93/58,108.98 = 12,450.21/x
  3. Step 3: Cross multiply
    38,763.93x = 58,108.98 × 12,450.21
  4. Step 4: Simplify right side
    38,763.93x = 723,469,003.89
  5. Step 5: Solve for x
    x = 723,469,003.89/38,763.93
  6. Step 6: Final answer
    x = 18,663.46

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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.