Home / 30,232.20-45,336.15-11,505.81

Finding the Fourth Proportional to 30,232.20, 45,336.15 and 11,505.81

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Solution

The fourth proportional to 30,232.20, 45,336.15 and 11,505.81 is: 17,254.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,232.20 : 45,336.15 = 11,505.81 : x
  2. Step 2: Convert to fraction form
    30,232.20/45,336.15 = 11,505.81/x
  3. Step 3: Cross multiply
    30,232.20x = 45,336.15 × 11,505.81
  4. Step 4: Simplify right side
    30,232.20x = 521,629,128.03
  5. Step 5: Solve for x
    x = 521,629,128.03/30,232.20
  6. Step 6: Final answer
    x = 17,254.09

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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.