Home / 30,821.10-46,231.65-16,824.30

Finding the Fourth Proportional to 30,821.10, 46,231.65 and 16,824.30

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Solution

The fourth proportional to 30,821.10, 46,231.65 and 16,824.30 is: 25,236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,821.10 : 46,231.65 = 16,824.30 : x
  2. Step 2: Convert to fraction form
    30,821.10/46,231.65 = 16,824.30/x
  3. Step 3: Cross multiply
    30,821.10x = 46,231.65 × 16,824.30
  4. Step 4: Simplify right side
    30,821.10x = 777,815,149.10
  5. Step 5: Solve for x
    x = 777,815,149.10/30,821.10
  6. Step 6: Final answer
    x = 25,236.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.