Home / 33,139.68-45,732.08-18,032.64

Finding the Fourth Proportional to 33,139.68, 45,732.08 and 18,032.64

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Solution

The fourth proportional to 33,139.68, 45,732.08 and 18,032.64 is: 24,884.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,139.68 : 45,732.08 = 18,032.64 : x
  2. Step 2: Convert to fraction form
    33,139.68/45,732.08 = 18,032.64/x
  3. Step 3: Cross multiply
    33,139.68x = 45,732.08 × 18,032.64
  4. Step 4: Simplify right side
    33,139.68x = 824,670,135.09
  5. Step 5: Solve for x
    x = 824,670,135.09/33,139.68
  6. Step 6: Final answer
    x = 24,884.67

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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.