Home / 30,941.52-42,699.32-16,794.36

Finding the Fourth Proportional to 30,941.52, 42,699.32 and 16,794.36

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Solution

The fourth proportional to 30,941.52, 42,699.32 and 16,794.36 is: 23,176.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941.52 : 42,699.32 = 16,794.36 : x
  2. Step 2: Convert to fraction form
    30,941.52/42,699.32 = 16,794.36/x
  3. Step 3: Cross multiply
    30,941.52x = 42,699.32 × 16,794.36
  4. Step 4: Simplify right side
    30,941.52x = 717,107,751.84
  5. Step 5: Solve for x
    x = 717,107,751.84/30,941.52
  6. Step 6: Final answer
    x = 23,176.23

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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.