Home / 30,403.23-45,604.99-13,743.75

Finding the Fourth Proportional to 30,403.23, 45,604.99 and 13,743.75

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Solution

The fourth proportional to 30,403.23, 45,604.99 and 13,743.75 is: 20,615.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,403.23 : 45,604.99 = 13,743.75 : x
  2. Step 2: Convert to fraction form
    30,403.23/45,604.99 = 13,743.75/x
  3. Step 3: Cross multiply
    30,403.23x = 45,604.99 × 13,743.75
  4. Step 4: Simplify right side
    30,403.23x = 626,783,581.31
  5. Step 5: Solve for x
    x = 626,783,581.31/30,403.23
  6. Step 6: Final answer
    x = 20,615.69

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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.