Home / 30,119.31-41,567.03-16,691.85

Finding the Fourth Proportional to 30,119.31, 41,567.03 and 16,691.85

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Solution

The fourth proportional to 30,119.31, 41,567.03 and 16,691.85 is: 23,036.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.31 : 41,567.03 = 16,691.85 : x
  2. Step 2: Convert to fraction form
    30,119.31/41,567.03 = 16,691.85/x
  3. Step 3: Cross multiply
    30,119.31x = 41,567.03 × 16,691.85
  4. Step 4: Simplify right side
    30,119.31x = 693,830,546.25
  5. Step 5: Solve for x
    x = 693,830,546.25/30,119.31
  6. Step 6: Final answer
    x = 23,036.07

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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.