Home / 34,284.42-47,312.82-20,137.50

Finding the Fourth Proportional to 34,284.42, 47,312.82 and 20,137.50

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Solution

The fourth proportional to 34,284.42, 47,312.82 and 20,137.50 is: 27,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,284.42 : 47,312.82 = 20,137.50 : x
  2. Step 2: Convert to fraction form
    34,284.42/47,312.82 = 20,137.50/x
  3. Step 3: Cross multiply
    34,284.42x = 47,312.82 × 20,137.50
  4. Step 4: Simplify right side
    34,284.42x = 952,761,912.75
  5. Step 5: Solve for x
    x = 952,761,912.75/34,284.42
  6. Step 6: Final answer
    x = 27,789.94

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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.