Home / 31,122.86-46,605.44-19,299.72

Finding the Fourth Proportional to 31,122.86, 46,605.44 and 19,299.72

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Solution

The fourth proportional to 31,122.86, 46,605.44 and 19,299.72 is: 28,900.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,122.86 : 46,605.44 = 19,299.72 : x
  2. Step 2: Convert to fraction form
    31,122.86/46,605.44 = 19,299.72/x
  3. Step 3: Cross multiply
    31,122.86x = 46,605.44 × 19,299.72
  4. Step 4: Simplify right side
    31,122.86x = 899,471,942.48
  5. Step 5: Solve for x
    x = 899,471,942.48/31,122.86
  6. Step 6: Final answer
    x = 28,900.68

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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.