Home / 33,088.74-45,662.40-18,748.54

Finding the Fourth Proportional to 33,088.74, 45,662.40 and 18,748.54

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Solution

The fourth proportional to 33,088.74, 45,662.40 and 18,748.54 is: 25,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,088.74 : 45,662.40 = 18,748.54 : x
  2. Step 2: Convert to fraction form
    33,088.74/45,662.40 = 18,748.54/x
  3. Step 3: Cross multiply
    33,088.74x = 45,662.40 × 18,748.54
  4. Step 4: Simplify right side
    33,088.74x = 856,103,332.90
  5. Step 5: Solve for x
    x = 856,103,332.90/33,088.74
  6. Step 6: Final answer
    x = 25,872.95

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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.