Home / 31,151.66-46,727.25-7,777.94

Finding the Fourth Proportional to 31,151.66, 46,727.25 and 7,777.94

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Solution

The fourth proportional to 31,151.66, 46,727.25 and 7,777.94 is: 11,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,151.66 : 46,727.25 = 7,777.94 : x
  2. Step 2: Convert to fraction form
    31,151.66/46,727.25 = 7,777.94/x
  3. Step 3: Cross multiply
    31,151.66x = 46,727.25 × 7,777.94
  4. Step 4: Simplify right side
    31,151.66x = 363,441,746.87
  5. Step 5: Solve for x
    x = 363,441,746.87/31,151.66
  6. Step 6: Final answer
    x = 11,666.85

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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.