Home / 30,119.31-41,563.40-16,691.13

Finding the Fourth Proportional to 30,119.31, 41,563.40 and 16,691.13

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Solution

The fourth proportional to 30,119.31, 41,563.40 and 16,691.13 is: 23,033.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,119.31 : 41,563.40 = 16,691.13 : x
  2. Step 2: Convert to fraction form
    30,119.31/41,563.40 = 16,691.13/x
  3. Step 3: Cross multiply
    30,119.31x = 41,563.40 × 16,691.13
  4. Step 4: Simplify right side
    30,119.31x = 693,740,029.19
  5. Step 5: Solve for x
    x = 693,740,029.19/30,119.31
  6. Step 6: Final answer
    x = 23,033.07

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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.