Home / 30,369.63-41,910.15-16,941.75

Finding the Fourth Proportional to 30,369.63, 41,910.15 and 16,941.75

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Solution

The fourth proportional to 30,369.63, 41,910.15 and 16,941.75 is: 23,379.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369.63 : 41,910.15 = 16,941.75 : x
  2. Step 2: Convert to fraction form
    30,369.63/41,910.15 = 16,941.75/x
  3. Step 3: Cross multiply
    30,369.63x = 41,910.15 × 16,941.75
  4. Step 4: Simplify right side
    30,369.63x = 710,031,283.76
  5. Step 5: Solve for x
    x = 710,031,283.76/30,369.63
  6. Step 6: Final answer
    x = 23,379.65

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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.