Home / 30,619.11-45,907.77-15,589.29

Finding the Fourth Proportional to 30,619.11, 45,907.77 and 15,589.29

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Solution

The fourth proportional to 30,619.11, 45,907.77 and 15,589.29 is: 23,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619.11 : 45,907.77 = 15,589.29 : x
  2. Step 2: Convert to fraction form
    30,619.11/45,907.77 = 15,589.29/x
  3. Step 3: Cross multiply
    30,619.11x = 45,907.77 × 15,589.29
  4. Step 4: Simplify right side
    30,619.11x = 715,669,539.78
  5. Step 5: Solve for x
    x = 715,669,539.78/30,619.11
  6. Step 6: Final answer
    x = 23,373.30

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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.