Home / 30,891.06-42,628.14-17,459.69

Finding the Fourth Proportional to 30,891.06, 42,628.14 and 17,459.69

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Solution

The fourth proportional to 30,891.06, 42,628.14 and 17,459.69 is: 24,093.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,891.06 : 42,628.14 = 17,459.69 : x
  2. Step 2: Convert to fraction form
    30,891.06/42,628.14 = 17,459.69/x
  3. Step 3: Cross multiply
    30,891.06x = 42,628.14 × 17,459.69
  4. Step 4: Simplify right side
    30,891.06x = 744,273,896.54
  5. Step 5: Solve for x
    x = 744,273,896.54/30,891.06
  6. Step 6: Final answer
    x = 24,093.50

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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.