Home / 30,941.89-42,699.57-16,794.43

Finding the Fourth Proportional to 30,941.89, 42,699.57 and 16,794.43

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Solution

The fourth proportional to 30,941.89, 42,699.57 and 16,794.43 is: 23,176.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941.89 : 42,699.57 = 16,794.43 : x
  2. Step 2: Convert to fraction form
    30,941.89/42,699.57 = 16,794.43/x
  3. Step 3: Cross multiply
    30,941.89x = 42,699.57 × 16,794.43
  4. Step 4: Simplify right side
    30,941.89x = 717,114,939.40
  5. Step 5: Solve for x
    x = 717,114,939.40/30,941.89
  6. Step 6: Final answer
    x = 23,176.18

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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.