Home / 46,520.60-69,759.30-20,211.80

Finding the Fourth Proportional to 46,520.60, 69,759.30 and 20,211.80

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Solution

The fourth proportional to 46,520.60, 69,759.30 and 20,211.80 is: 30,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,520.60 : 69,759.30 = 20,211.80 : x
  2. Step 2: Convert to fraction form
    46,520.60/69,759.30 = 20,211.80/x
  3. Step 3: Cross multiply
    46,520.60x = 69,759.30 × 20,211.80
  4. Step 4: Simplify right side
    46,520.60x = 1,409,961,019.74
  5. Step 5: Solve for x
    x = 1,409,961,019.74/46,520.60
  6. Step 6: Final answer
    x = 30,308.32

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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.