Home / 51,241.25-70,713.32-28,581.71

Finding the Fourth Proportional to 51,241.25, 70,713.32 and 28,581.71

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Solution

The fourth proportional to 51,241.25, 70,713.32 and 28,581.71 is: 39,442.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,241.25 : 70,713.32 = 28,581.71 : x
  2. Step 2: Convert to fraction form
    51,241.25/70,713.32 = 28,581.71/x
  3. Step 3: Cross multiply
    51,241.25x = 70,713.32 × 28,581.71
  4. Step 4: Simplify right side
    51,241.25x = 2,021,107,108.90
  5. Step 5: Solve for x
    x = 2,021,107,108.90/51,241.25
  6. Step 6: Final answer
    x = 39,442.97

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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.