Home / 30,941.29-42,699.20-16,794.14

Finding the Fourth Proportional to 30,941.29, 42,699.20 and 16,794.14

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Solution

The fourth proportional to 30,941.29, 42,699.20 and 16,794.14 is: 23,176.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941.29 : 42,699.20 = 16,794.14 : x
  2. Step 2: Convert to fraction form
    30,941.29/42,699.20 = 16,794.14/x
  3. Step 3: Cross multiply
    30,941.29x = 42,699.20 × 16,794.14
  4. Step 4: Simplify right side
    30,941.29x = 717,096,139.69
  5. Step 5: Solve for x
    x = 717,096,139.69/30,941.29
  6. Step 6: Final answer
    x = 23,176.03

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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.