Home / 50,777.43-70,051.14-30,622.85

Finding the Fourth Proportional to 50,777.43, 70,051.14 and 30,622.85

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Solution

The fourth proportional to 50,777.43, 70,051.14 and 30,622.85 is: 42,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,777.43 : 70,051.14 = 30,622.85 : x
  2. Step 2: Convert to fraction form
    50,777.43/70,051.14 = 30,622.85/x
  3. Step 3: Cross multiply
    50,777.43x = 70,051.14 × 30,622.85
  4. Step 4: Simplify right side
    50,777.43x = 2,145,165,552.55
  5. Step 5: Solve for x
    x = 2,145,165,552.55/50,777.43
  6. Step 6: Final answer
    x = 42,246.44

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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.