Home / 30,231.20-45,334.65-11,504.81

Finding the Fourth Proportional to 30,231.20, 45,334.65 and 11,504.81

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Solution

The fourth proportional to 30,231.20, 45,334.65 and 11,504.81 is: 17,252.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,231.20 : 45,334.65 = 11,504.81 : x
  2. Step 2: Convert to fraction form
    30,231.20/45,334.65 = 11,504.81/x
  3. Step 3: Cross multiply
    30,231.20x = 45,334.65 × 11,504.81
  4. Step 4: Simplify right side
    30,231.20x = 521,566,534.67
  5. Step 5: Solve for x
    x = 521,566,534.67/30,231.20
  6. Step 6: Final answer
    x = 17,252.59

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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.