Home / 51,988.75-71,744.48-28,115.43

Finding the Fourth Proportional to 51,988.75, 71,744.48 and 28,115.43

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Solution

The fourth proportional to 51,988.75, 71,744.48 and 28,115.43 is: 38,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,988.75 : 71,744.48 = 28,115.43 : x
  2. Step 2: Convert to fraction form
    51,988.75/71,744.48 = 28,115.43/x
  3. Step 3: Cross multiply
    51,988.75x = 71,744.48 × 28,115.43
  4. Step 4: Simplify right side
    51,988.75x = 2,017,126,905.33
  5. Step 5: Solve for x
    x = 2,017,126,905.33/51,988.75
  6. Step 6: Final answer
    x = 38,799.30

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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.