Home / 51,218.47-76,839.09-15,684.76

Finding the Fourth Proportional to 51,218.47, 76,839.09 and 15,684.76

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Solution

The fourth proportional to 51,218.47, 76,839.09 and 15,684.76 is: 23,530.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,218.47 : 76,839.09 = 15,684.76 : x
  2. Step 2: Convert to fraction form
    51,218.47/76,839.09 = 15,684.76/x
  3. Step 3: Cross multiply
    51,218.47x = 76,839.09 × 15,684.76
  4. Step 4: Simplify right side
    51,218.47x = 1,205,202,685.27
  5. Step 5: Solve for x
    x = 1,205,202,685.27/51,218.47
  6. Step 6: Final answer
    x = 23,530.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.