Home / 33,172.35-45,775.76-18,268.35

Finding the Fourth Proportional to 33,172.35, 45,775.76 and 18,268.35

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Solution

The fourth proportional to 33,172.35, 45,775.76 and 18,268.35 is: 25,209.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,172.35 : 45,775.76 = 18,268.35 : x
  2. Step 2: Convert to fraction form
    33,172.35/45,775.76 = 18,268.35/x
  3. Step 3: Cross multiply
    33,172.35x = 45,775.76 × 18,268.35
  4. Step 4: Simplify right side
    33,172.35x = 836,247,421.99
  5. Step 5: Solve for x
    x = 836,247,421.99/33,172.35
  6. Step 6: Final answer
    x = 25,209.17

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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.