Home / 30,270.75-41,773.64-17,695.50

Finding the Fourth Proportional to 30,270.75, 41,773.64 and 17,695.50

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Solution

The fourth proportional to 30,270.75, 41,773.64 and 17,695.50 is: 24,419.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,270.75 : 41,773.64 = 17,695.50 : x
  2. Step 2: Convert to fraction form
    30,270.75/41,773.64 = 17,695.50/x
  3. Step 3: Cross multiply
    30,270.75x = 41,773.64 × 17,695.50
  4. Step 4: Simplify right side
    30,270.75x = 739,205,358.14
  5. Step 5: Solve for x
    x = 739,205,358.14/30,270.75
  6. Step 6: Final answer
    x = 24,419.79

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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.