Home / 30,201.28-45,319.73-11,497.06

Finding the Fourth Proportional to 30,201.28, 45,319.73 and 11,497.06

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Solution

The fourth proportional to 30,201.28, 45,319.73 and 11,497.06 is: 17,252.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.28 : 45,319.73 = 11,497.06 : x
  2. Step 2: Convert to fraction form
    30,201.28/45,319.73 = 11,497.06/x
  3. Step 3: Cross multiply
    30,201.28x = 45,319.73 × 11,497.06
  4. Step 4: Simplify right side
    30,201.28x = 521,043,654.99
  5. Step 5: Solve for x
    x = 521,043,654.99/30,201.28
  6. Step 6: Final answer
    x = 17,252.37

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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.