Home / 30,179.22-45,268.84-11,459.27

Finding the Fourth Proportional to 30,179.22, 45,268.84 and 11,459.27

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Solution

The fourth proportional to 30,179.22, 45,268.84 and 11,459.27 is: 17,188.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.22 : 45,268.84 = 11,459.27 : x
  2. Step 2: Convert to fraction form
    30,179.22/45,268.84 = 11,459.27/x
  3. Step 3: Cross multiply
    30,179.22x = 45,268.84 × 11,459.27
  4. Step 4: Simplify right side
    30,179.22x = 518,747,939.30
  5. Step 5: Solve for x
    x = 518,747,939.30/30,179.22
  6. Step 6: Final answer
    x = 17,188.91

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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.