Home / 51,333.45-70,839.39-28,672.84

Finding the Fourth Proportional to 51,333.45, 70,839.39 and 28,672.84

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Solution

The fourth proportional to 51,333.45, 70,839.39 and 28,672.84 is: 39,568.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,333.45 : 70,839.39 = 28,672.84 : x
  2. Step 2: Convert to fraction form
    51,333.45/70,839.39 = 28,672.84/x
  3. Step 3: Cross multiply
    51,333.45x = 70,839.39 × 28,672.84
  4. Step 4: Simplify right side
    51,333.45x = 2,031,166,495.17
  5. Step 5: Solve for x
    x = 2,031,166,495.17/51,333.45
  6. Step 6: Final answer
    x = 39,568.09

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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.