Home / 30,202.67-41,666.00-19,443.68

Finding the Fourth Proportional to 30,202.67, 41,666.00 and 19,443.68

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Solution

The fourth proportional to 30,202.67, 41,666.00 and 19,443.68 is: 26,823.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,202.67 : 41,666.00 = 19,443.68 : x
  2. Step 2: Convert to fraction form
    30,202.67/41,666.00 = 19,443.68/x
  3. Step 3: Cross multiply
    30,202.67x = 41,666.00 × 19,443.68
  4. Step 4: Simplify right side
    30,202.67x = 810,140,065.33
  5. Step 5: Solve for x
    x = 810,140,065.33/30,202.67
  6. Step 6: Final answer
    x = 26,823.46

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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.