Home / 30,631.84-42,270.44-17,201.44

Finding the Fourth Proportional to 30,631.84, 42,270.44 and 17,201.44

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Solution

The fourth proportional to 30,631.84, 42,270.44 and 17,201.44 is: 23,737.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,631.84 : 42,270.44 = 17,201.44 : x
  2. Step 2: Convert to fraction form
    30,631.84/42,270.44 = 17,201.44/x
  3. Step 3: Cross multiply
    30,631.84x = 42,270.44 × 17,201.44
  4. Step 4: Simplify right side
    30,631.84x = 727,112,437.43
  5. Step 5: Solve for x
    x = 727,112,437.43/30,631.84
  6. Step 6: Final answer
    x = 23,737.15

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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.