Home / 30,100.34-41,543.62-17,351.21

Finding the Fourth Proportional to 30,100.34, 41,543.62 and 17,351.21

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Solution

The fourth proportional to 30,100.34, 41,543.62 and 17,351.21 is: 23,947.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100.34 : 41,543.62 = 17,351.21 : x
  2. Step 2: Convert to fraction form
    30,100.34/41,543.62 = 17,351.21/x
  3. Step 3: Cross multiply
    30,100.34x = 41,543.62 × 17,351.21
  4. Step 4: Simplify right side
    30,100.34x = 720,832,135.26
  5. Step 5: Solve for x
    x = 720,832,135.26/30,100.34
  6. Step 6: Final answer
    x = 23,947.64

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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.