Home / 51,986.24-71,740.84-28,112.84

Finding the Fourth Proportional to 51,986.24, 71,740.84 and 28,112.84

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Solution

The fourth proportional to 51,986.24, 71,740.84 and 28,112.84 is: 38,795.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,986.24 : 71,740.84 = 28,112.84 : x
  2. Step 2: Convert to fraction form
    51,986.24/71,740.84 = 28,112.84/x
  3. Step 3: Cross multiply
    51,986.24x = 71,740.84 × 28,112.84
  4. Step 4: Simplify right side
    51,986.24x = 2,016,838,756.39
  5. Step 5: Solve for x
    x = 2,016,838,756.39/51,986.24
  6. Step 6: Final answer
    x = 38,795.63

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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.