Home / 30,412.10-41,966.28-16,982.56

Finding the Fourth Proportional to 30,412.10, 41,966.28 and 16,982.56

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Solution

The fourth proportional to 30,412.10, 41,966.28 and 16,982.56 is: 23,434.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,412.10 : 41,966.28 = 16,982.56 : x
  2. Step 2: Convert to fraction form
    30,412.10/41,966.28 = 16,982.56/x
  3. Step 3: Cross multiply
    30,412.10x = 41,966.28 × 16,982.56
  4. Step 4: Simplify right side
    30,412.10x = 712,694,658.25
  5. Step 5: Solve for x
    x = 712,694,658.25/30,412.10
  6. Step 6: Final answer
    x = 23,434.58

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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.