Home / 30,065.71-41,493.78-17,319.31

Finding the Fourth Proportional to 30,065.71, 41,493.78 and 17,319.31

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Solution

The fourth proportional to 30,065.71, 41,493.78 and 17,319.31 is: 23,902.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,065.71 : 41,493.78 = 17,319.31 : x
  2. Step 2: Convert to fraction form
    30,065.71/41,493.78 = 17,319.31/x
  3. Step 3: Cross multiply
    30,065.71x = 41,493.78 × 17,319.31
  4. Step 4: Simplify right side
    30,065.71x = 718,643,638.89
  5. Step 5: Solve for x
    x = 718,643,638.89/30,065.71
  6. Step 6: Final answer
    x = 23,902.43

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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.