Home / 56,336.45-77,743.14-30,842.21

Finding the Fourth Proportional to 56,336.45, 77,743.14 and 30,842.21

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Solution

The fourth proportional to 56,336.45, 77,743.14 and 30,842.21 is: 42,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,336.45 : 77,743.14 = 30,842.21 : x
  2. Step 2: Convert to fraction form
    56,336.45/77,743.14 = 30,842.21/x
  3. Step 3: Cross multiply
    56,336.45x = 77,743.14 × 30,842.21
  4. Step 4: Simplify right side
    56,336.45x = 2,397,770,249.94
  5. Step 5: Solve for x
    x = 2,397,770,249.94/56,336.45
  6. Step 6: Final answer
    x = 42,561.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.