Home / 30,363.90-45,546.37-11,645.00

Finding the Fourth Proportional to 30,363.90, 45,546.37 and 11,645.00

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Solution

The fourth proportional to 30,363.90, 45,546.37 and 11,645.00 is: 17,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363.90 : 45,546.37 = 11,645.00 : x
  2. Step 2: Convert to fraction form
    30,363.90/45,546.37 = 11,645.00/x
  3. Step 3: Cross multiply
    30,363.90x = 45,546.37 × 11,645.00
  4. Step 4: Simplify right side
    30,363.90x = 530,387,392.60
  5. Step 5: Solve for x
    x = 530,387,392.60/30,363.90
  6. Step 6: Final answer
    x = 17,467.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.