Home / 50,930.96-70,281.41-28,268.87

Finding the Fourth Proportional to 50,930.96, 70,281.41 and 28,268.87

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Solution

The fourth proportional to 50,930.96, 70,281.41 and 28,268.87 is: 39,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,930.96 : 70,281.41 = 28,268.87 : x
  2. Step 2: Convert to fraction form
    50,930.96/70,281.41 = 28,268.87/x
  3. Step 3: Cross multiply
    50,930.96x = 70,281.41 × 28,268.87
  4. Step 4: Simplify right side
    50,930.96x = 1,986,776,077.07
  5. Step 5: Solve for x
    x = 1,986,776,077.07/50,930.96
  6. Step 6: Final answer
    x = 39,009.20

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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.