Home / 38,908.98-58,351.32-12,608.28

Finding the Fourth Proportional to 38,908.98, 58,351.32 and 12,608.28

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Solution

The fourth proportional to 38,908.98, 58,351.32 and 12,608.28 is: 18,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,908.98 : 58,351.32 = 12,608.28 : x
  2. Step 2: Convert to fraction form
    38,908.98/58,351.32 = 12,608.28/x
  3. Step 3: Cross multiply
    38,908.98x = 58,351.32 × 12,608.28
  4. Step 4: Simplify right side
    38,908.98x = 735,709,780.93
  5. Step 5: Solve for x
    x = 735,709,780.93/38,908.98
  6. Step 6: Final answer
    x = 18,908.48

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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.