Home / 30,305.60-41,794.08-19,108.16

Finding the Fourth Proportional to 30,305.60, 41,794.08 and 19,108.16

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Solution

The fourth proportional to 30,305.60, 41,794.08 and 19,108.16 is: 26,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.60 : 41,794.08 = 19,108.16 : x
  2. Step 2: Convert to fraction form
    30,305.60/41,794.08 = 19,108.16/x
  3. Step 3: Cross multiply
    30,305.60x = 41,794.08 × 19,108.16
  4. Step 4: Simplify right side
    30,305.60x = 798,607,967.69
  5. Step 5: Solve for x
    x = 798,607,967.69/30,305.60
  6. Step 6: Final answer
    x = 26,351.83

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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.