Home / 33,401.18-46,124.84-21,485.20

Finding the Fourth Proportional to 33,401.18, 46,124.84 and 21,485.20

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Solution

The fourth proportional to 33,401.18, 46,124.84 and 21,485.20 is: 29,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,401.18 : 46,124.84 = 21,485.20 : x
  2. Step 2: Convert to fraction form
    33,401.18/46,124.84 = 21,485.20/x
  3. Step 3: Cross multiply
    33,401.18x = 46,124.84 × 21,485.20
  4. Step 4: Simplify right side
    33,401.18x = 991,001,412.37
  5. Step 5: Solve for x
    x = 991,001,412.37/33,401.18
  6. Step 6: Final answer
    x = 29,669.65

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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.