Home / 51,243.84-70,716.59-28,584.30

Finding the Fourth Proportional to 51,243.84, 70,716.59 and 28,584.30

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Solution

The fourth proportional to 51,243.84, 70,716.59 and 28,584.30 is: 39,446.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,243.84 : 70,716.59 = 28,584.30 : x
  2. Step 2: Convert to fraction form
    51,243.84/70,716.59 = 28,584.30/x
  3. Step 3: Cross multiply
    51,243.84x = 70,716.59 × 28,584.30
  4. Step 4: Simplify right side
    51,243.84x = 2,021,384,080.62
  5. Step 5: Solve for x
    x = 2,021,384,080.62/51,243.84
  6. Step 6: Final answer
    x = 39,446.38

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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.