Home / 30,045.87-45,063.54-8,985.33

Finding the Fourth Proportional to 30,045.87, 45,063.54 and 8,985.33

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Solution

The fourth proportional to 30,045.87, 45,063.54 and 8,985.33 is: 13,476.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045.87 : 45,063.54 = 8,985.33 : x
  2. Step 2: Convert to fraction form
    30,045.87/45,063.54 = 8,985.33/x
  3. Step 3: Cross multiply
    30,045.87x = 45,063.54 × 8,985.33
  4. Step 4: Simplify right side
    30,045.87x = 404,910,777.87
  5. Step 5: Solve for x
    x = 404,910,777.87/30,045.87
  6. Step 6: Final answer
    x = 13,476.42

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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.