Home / 30,319,499.55-45,479,249.33-27,981,159.15

Finding the Fourth Proportional to 30,319,499.55, 45,479,249.33 and 27,981,159.15

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Solution

The fourth proportional to 30,319,499.55, 45,479,249.33 and 27,981,159.15 is: 41,971,738.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,319,499.55 : 45,479,249.33 = 27,981,159.15 : x
  2. Step 2: Convert to fraction form
    30,319,499.55/45,479,249.33 = 27,981,159.15/x
  3. Step 3: Cross multiply
    30,319,499.55x = 45,479,249.33 × 27,981,159.15
  4. Step 4: Simplify right side
    30,319,499.55x = 1,272,562,113,385,355
  5. Step 5: Solve for x
    x = 1,272,562,113,385,355/30,319,499.55
  6. Step 6: Final answer
    x = 41,971,738.73

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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.