Home / 50,777.08-70,074.66-28,421.08

Finding the Fourth Proportional to 50,777.08, 70,074.66 and 28,421.08

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Solution

The fourth proportional to 50,777.08, 70,074.66 and 28,421.08 is: 39,222.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,777.08 : 70,074.66 = 28,421.08 : x
  2. Step 2: Convert to fraction form
    50,777.08/70,074.66 = 28,421.08/x
  3. Step 3: Cross multiply
    50,777.08x = 70,074.66 × 28,421.08
  4. Step 4: Simplify right side
    50,777.08x = 1,991,597,517.83
  5. Step 5: Solve for x
    x = 1,991,597,517.83/50,777.08
  6. Step 6: Final answer
    x = 39,222.37

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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.