Home / 49,142.12-73,611.12-31,284.47

Finding the Fourth Proportional to 49,142.12, 73,611.12 and 31,284.47

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Solution

The fourth proportional to 49,142.12, 73,611.12 and 31,284.47 is: 46,861.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,142.12 : 73,611.12 = 31,284.47 : x
  2. Step 2: Convert to fraction form
    49,142.12/73,611.12 = 31,284.47/x
  3. Step 3: Cross multiply
    49,142.12x = 73,611.12 × 31,284.47
  4. Step 4: Simplify right side
    49,142.12x = 2,302,884,439.10
  5. Step 5: Solve for x
    x = 2,302,884,439.10/49,142.12
  6. Step 6: Final answer
    x = 46,861.73

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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.