Home / 30,344.04-45,499.56-13,684.56

Finding the Fourth Proportional to 30,344.04, 45,499.56 and 13,684.56

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Solution

The fourth proportional to 30,344.04, 45,499.56 and 13,684.56 is: 20,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344.04 : 45,499.56 = 13,684.56 : x
  2. Step 2: Convert to fraction form
    30,344.04/45,499.56 = 13,684.56/x
  3. Step 3: Cross multiply
    30,344.04x = 45,499.56 × 13,684.56
  4. Step 4: Simplify right side
    30,344.04x = 622,641,458.79
  5. Step 5: Solve for x
    x = 622,641,458.79/30,344.04
  6. Step 6: Final answer
    x = 20,519.40

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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.