Home / 51,119.58-70,546.69-28,151.84

Finding the Fourth Proportional to 51,119.58, 70,546.69 and 28,151.84

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Solution

The fourth proportional to 51,119.58, 70,546.69 and 28,151.84 is: 38,850.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,119.58 : 70,546.69 = 28,151.84 : x
  2. Step 2: Convert to fraction form
    51,119.58/70,546.69 = 28,151.84/x
  3. Step 3: Cross multiply
    51,119.58x = 70,546.69 × 28,151.84
  4. Step 4: Simplify right side
    51,119.58x = 1,986,019,129.41
  5. Step 5: Solve for x
    x = 1,986,019,129.41/51,119.58
  6. Step 6: Final answer
    x = 38,850.46

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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.