Home / 30,299.69-45,460.46-10,581.15

Finding the Fourth Proportional to 30,299.69, 45,460.46 and 10,581.15

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Solution

The fourth proportional to 30,299.69, 45,460.46 and 10,581.15 is: 15,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299.69 : 45,460.46 = 10,581.15 : x
  2. Step 2: Convert to fraction form
    30,299.69/45,460.46 = 10,581.15/x
  3. Step 3: Cross multiply
    30,299.69x = 45,460.46 × 10,581.15
  4. Step 4: Simplify right side
    30,299.69x = 481,023,893.42
  5. Step 5: Solve for x
    x = 481,023,893.42/30,299.69
  6. Step 6: Final answer
    x = 15,875.54

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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.