Home / 38,622.72-57,920.67-18,357.03

Finding the Fourth Proportional to 38,622.72, 57,920.67 and 18,357.03

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Solution

The fourth proportional to 38,622.72, 57,920.67 and 18,357.03 is: 27,529.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,622.72 : 57,920.67 = 18,357.03 : x
  2. Step 2: Convert to fraction form
    38,622.72/57,920.67 = 18,357.03/x
  3. Step 3: Cross multiply
    38,622.72x = 57,920.67 × 18,357.03
  4. Step 4: Simplify right side
    38,622.72x = 1,063,251,476.81
  5. Step 5: Solve for x
    x = 1,063,251,476.81/38,622.72
  6. Step 6: Final answer
    x = 27,529.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.