Home / 30,203.70-41,686.54-17,455.13

Finding the Fourth Proportional to 30,203.70, 41,686.54 and 17,455.13

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Solution

The fourth proportional to 30,203.70, 41,686.54 and 17,455.13 is: 24,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203.70 : 41,686.54 = 17,455.13 : x
  2. Step 2: Convert to fraction form
    30,203.70/41,686.54 = 17,455.13/x
  3. Step 3: Cross multiply
    30,203.70x = 41,686.54 × 17,455.13
  4. Step 4: Simplify right side
    30,203.70x = 727,643,722.88
  5. Step 5: Solve for x
    x = 727,643,722.88/30,203.70
  6. Step 6: Final answer
    x = 24,091.21

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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.