Home / 33,485.72-46,209.69-18,378.56

Finding the Fourth Proportional to 33,485.72, 46,209.69 and 18,378.56

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Solution

The fourth proportional to 33,485.72, 46,209.69 and 18,378.56 is: 25,362.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,485.72 : 46,209.69 = 18,378.56 : x
  2. Step 2: Convert to fraction form
    33,485.72/46,209.69 = 18,378.56/x
  3. Step 3: Cross multiply
    33,485.72x = 46,209.69 × 18,378.56
  4. Step 4: Simplify right side
    33,485.72x = 849,267,675.77
  5. Step 5: Solve for x
    x = 849,267,675.77/33,485.72
  6. Step 6: Final answer
    x = 25,362.08

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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.