Home / 30,784.62-46,179.55-9,719.03

Finding the Fourth Proportional to 30,784.62, 46,179.55 and 9,719.03

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Solution

The fourth proportional to 30,784.62, 46,179.55 and 9,719.03 is: 14,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,784.62 : 46,179.55 = 9,719.03 : x
  2. Step 2: Convert to fraction form
    30,784.62/46,179.55 = 9,719.03/x
  3. Step 3: Cross multiply
    30,784.62x = 46,179.55 × 9,719.03
  4. Step 4: Simplify right side
    30,784.62x = 448,820,176.64
  5. Step 5: Solve for x
    x = 448,820,176.64/30,784.62
  6. Step 6: Final answer
    x = 14,579.36

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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.