Home / 33,209.79-45,828.92-18,102.59

Finding the Fourth Proportional to 33,209.79, 45,828.92 and 18,102.59

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Solution

The fourth proportional to 33,209.79, 45,828.92 and 18,102.59 is: 24,981.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,209.79 : 45,828.92 = 18,102.59 : x
  2. Step 2: Convert to fraction form
    33,209.79/45,828.92 = 18,102.59/x
  3. Step 3: Cross multiply
    33,209.79x = 45,828.92 × 18,102.59
  4. Step 4: Simplify right side
    33,209.79x = 829,621,919.76
  5. Step 5: Solve for x
    x = 829,621,919.76/33,209.79
  6. Step 6: Final answer
    x = 24,981.25

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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.