Home / 51,986.96-71,742.06-28,113.68

Finding the Fourth Proportional to 51,986.96, 71,742.06 and 28,113.68

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Solution

The fourth proportional to 51,986.96, 71,742.06 and 28,113.68 is: 38,796.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,986.96 : 71,742.06 = 28,113.68 : x
  2. Step 2: Convert to fraction form
    51,986.96/71,742.06 = 28,113.68/x
  3. Step 3: Cross multiply
    51,986.96x = 71,742.06 × 28,113.68
  4. Step 4: Simplify right side
    51,986.96x = 2,016,933,317.38
  5. Step 5: Solve for x
    x = 2,016,933,317.38/51,986.96
  6. Step 6: Final answer
    x = 38,796.91

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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.