Home / 30,240.88-45,361.32-11,516.56

Finding the Fourth Proportional to 30,240.88, 45,361.32 and 11,516.56

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Solution

The fourth proportional to 30,240.88, 45,361.32 and 11,516.56 is: 17,274.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240.88 : 45,361.32 = 11,516.56 : x
  2. Step 2: Convert to fraction form
    30,240.88/45,361.32 = 11,516.56/x
  3. Step 3: Cross multiply
    30,240.88x = 45,361.32 × 11,516.56
  4. Step 4: Simplify right side
    30,240.88x = 522,406,363.46
  5. Step 5: Solve for x
    x = 522,406,363.46/30,240.88
  6. Step 6: Final answer
    x = 17,274.84

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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.