Home / 52,850.62-79,170.30-31,779.12

Finding the Fourth Proportional to 52,850.62, 79,170.30 and 31,779.12

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Solution

The fourth proportional to 52,850.62, 79,170.30 and 31,779.12 is: 47,605.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,850.62 : 79,170.30 = 31,779.12 : x
  2. Step 2: Convert to fraction form
    52,850.62/79,170.30 = 31,779.12/x
  3. Step 3: Cross multiply
    52,850.62x = 79,170.30 × 31,779.12
  4. Step 4: Simplify right side
    52,850.62x = 2,515,962,464.14
  5. Step 5: Solve for x
    x = 2,515,962,464.14/52,850.62
  6. Step 6: Final answer
    x = 47,605.17

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1.5x scale

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.