Home / 31,045.82-46,343.34-28,732.94

Finding the Fourth Proportional to 31,045.82, 46,343.34 and 28,732.94

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Solution

The fourth proportional to 31,045.82, 46,343.34 and 28,732.94 is: 42,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,045.82 : 46,343.34 = 28,732.94 : x
  2. Step 2: Convert to fraction form
    31,045.82/46,343.34 = 28,732.94/x
  3. Step 3: Cross multiply
    31,045.82x = 46,343.34 × 28,732.94
  4. Step 4: Simplify right side
    31,045.82x = 1,331,580,263.95
  5. Step 5: Solve for x
    x = 1,331,580,263.95/31,045.82
  6. Step 6: Final answer
    x = 42,890.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.