Home / 38,940.75-58,420.85-11,238.75

Finding the Fourth Proportional to 38,940.75, 58,420.85 and 11,238.75

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Solution

The fourth proportional to 38,940.75, 58,420.85 and 11,238.75 is: 16,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,940.75 : 58,420.85 = 11,238.75 : x
  2. Step 2: Convert to fraction form
    38,940.75/58,420.85 = 11,238.75/x
  3. Step 3: Cross multiply
    38,940.75x = 58,420.85 × 11,238.75
  4. Step 4: Simplify right side
    38,940.75x = 656,577,271.74
  5. Step 5: Solve for x
    x = 656,577,271.74/38,940.75
  6. Step 6: Final answer
    x = 16,860.93

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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.