Home / 30,433.76-45,651.14-13,793.93

Finding the Fourth Proportional to 30,433.76, 45,651.14 and 13,793.93

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Solution

The fourth proportional to 30,433.76, 45,651.14 and 13,793.93 is: 20,691.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,433.76 : 45,651.14 = 13,793.93 : x
  2. Step 2: Convert to fraction form
    30,433.76/45,651.14 = 13,793.93/x
  3. Step 3: Cross multiply
    30,433.76x = 45,651.14 × 13,793.93
  4. Step 4: Simplify right side
    30,433.76x = 629,708,332.35
  5. Step 5: Solve for x
    x = 629,708,332.35/30,433.76
  6. Step 6: Final answer
    x = 20,691.12

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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.