Home / 36,380.61-54,571.59-11,420.10

Finding the Fourth Proportional to 36,380.61, 54,571.59 and 11,420.10

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Solution

The fourth proportional to 36,380.61, 54,571.59 and 11,420.10 is: 17,130.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,380.61 : 54,571.59 = 11,420.10 : x
  2. Step 2: Convert to fraction form
    36,380.61/54,571.59 = 11,420.10/x
  3. Step 3: Cross multiply
    36,380.61x = 54,571.59 × 11,420.10
  4. Step 4: Simplify right side
    36,380.61x = 623,213,014.96
  5. Step 5: Solve for x
    x = 623,213,014.96/36,380.61
  6. Step 6: Final answer
    x = 17,130.36

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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.