Home / 30,247.31-41,738.91-16,817.74

Finding the Fourth Proportional to 30,247.31, 41,738.91 and 16,817.74

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Solution

The fourth proportional to 30,247.31, 41,738.91 and 16,817.74 is: 23,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.31 : 41,738.91 = 16,817.74 : x
  2. Step 2: Convert to fraction form
    30,247.31/41,738.91 = 16,817.74/x
  3. Step 3: Cross multiply
    30,247.31x = 41,738.91 × 16,817.74
  4. Step 4: Simplify right side
    30,247.31x = 701,953,968.85
  5. Step 5: Solve for x
    x = 701,953,968.85/30,247.31
  6. Step 6: Final answer
    x = 23,207.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.