Home / 50,977.44-70,347.96-28,315.53

Finding the Fourth Proportional to 50,977.44, 70,347.96 and 28,315.53

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Solution

The fourth proportional to 50,977.44, 70,347.96 and 28,315.53 is: 39,074.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,977.44 : 70,347.96 = 28,315.53 : x
  2. Step 2: Convert to fraction form
    50,977.44/70,347.96 = 28,315.53/x
  3. Step 3: Cross multiply
    50,977.44x = 70,347.96 × 28,315.53
  4. Step 4: Simplify right side
    50,977.44x = 1,991,939,771.82
  5. Step 5: Solve for x
    x = 1,991,939,771.82/50,977.44
  6. Step 6: Final answer
    x = 39,074.93

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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.