Home / 33,354.10-46,028.41-21,421.99

Finding the Fourth Proportional to 33,354.10, 46,028.41 and 21,421.99

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Solution

The fourth proportional to 33,354.10, 46,028.41 and 21,421.99 is: 29,562.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,354.10 : 46,028.41 = 21,421.99 : x
  2. Step 2: Convert to fraction form
    33,354.10/46,028.41 = 21,421.99/x
  3. Step 3: Cross multiply
    33,354.10x = 46,028.41 × 21,421.99
  4. Step 4: Simplify right side
    33,354.10x = 986,020,138.74
  5. Step 5: Solve for x
    x = 986,020,138.74/33,354.10
  6. Step 6: Final answer
    x = 29,562.19

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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.