Home / 30,504.30-45,723.69-19,941.18

Finding the Fourth Proportional to 30,504.30, 45,723.69 and 19,941.18

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Solution

The fourth proportional to 30,504.30, 45,723.69 and 19,941.18 is: 29,890.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,504.30 : 45,723.69 = 19,941.18 : x
  2. Step 2: Convert to fraction form
    30,504.30/45,723.69 = 19,941.18/x
  3. Step 3: Cross multiply
    30,504.30x = 45,723.69 × 19,941.18
  4. Step 4: Simplify right side
    30,504.30x = 911,784,332.55
  5. Step 5: Solve for x
    x = 911,784,332.55/30,504.30
  6. Step 6: Final answer
    x = 29,890.35

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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.