Home / 30,578.04-45,858.42-10,845.90

Finding the Fourth Proportional to 30,578.04, 45,858.42 and 10,845.90

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Solution

The fourth proportional to 30,578.04, 45,858.42 and 10,845.90 is: 16,265.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,578.04 : 45,858.42 = 10,845.90 : x
  2. Step 2: Convert to fraction form
    30,578.04/45,858.42 = 10,845.90/x
  3. Step 3: Cross multiply
    30,578.04x = 45,858.42 × 10,845.90
  4. Step 4: Simplify right side
    30,578.04x = 497,375,837.48
  5. Step 5: Solve for x
    x = 497,375,837.48/30,578.04
  6. Step 6: Final answer
    x = 16,265.79

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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.