Home / 30,433.04-45,651.62-9,371.78

Finding the Fourth Proportional to 30,433.04, 45,651.62 and 9,371.78

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Solution

The fourth proportional to 30,433.04, 45,651.62 and 9,371.78 is: 14,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,433.04 : 45,651.62 = 9,371.78 : x
  2. Step 2: Convert to fraction form
    30,433.04/45,651.62 = 9,371.78/x
  3. Step 3: Cross multiply
    30,433.04x = 45,651.62 × 9,371.78
  4. Step 4: Simplify right side
    30,433.04x = 427,836,664.17
  5. Step 5: Solve for x
    x = 427,836,664.17/30,433.04
  6. Step 6: Final answer
    x = 14,058.30

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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.