Home / 46,515.30-69,772.92-20,213.88

Finding the Fourth Proportional to 46,515.30, 69,772.92 and 20,213.88

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Solution

The fourth proportional to 46,515.30, 69,772.92 and 20,213.88 is: 30,320.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,515.30 : 69,772.92 = 20,213.88 : x
  2. Step 2: Convert to fraction form
    46,515.30/69,772.92 = 20,213.88/x
  3. Step 3: Cross multiply
    46,515.30x = 69,772.92 × 20,213.88
  4. Step 4: Simplify right side
    46,515.30x = 1,410,381,432.13
  5. Step 5: Solve for x
    x = 1,410,381,432.13/46,515.30
  6. Step 6: Final answer
    x = 30,320.81

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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.