Home / 30,179.49-45,277.08-11,459.63

Finding the Fourth Proportional to 30,179.49, 45,277.08 and 11,459.63

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Solution

The fourth proportional to 30,179.49, 45,277.08 and 11,459.63 is: 17,192.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.49 : 45,277.08 = 11,459.63 : x
  2. Step 2: Convert to fraction form
    30,179.49/45,277.08 = 11,459.63/x
  3. Step 3: Cross multiply
    30,179.49x = 45,277.08 × 11,459.63
  4. Step 4: Simplify right side
    30,179.49x = 518,858,399.82
  5. Step 5: Solve for x
    x = 518,858,399.82/30,179.49
  6. Step 6: Final answer
    x = 17,192.42

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1.5x scale

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.