Home / 31,306.36-46,961.28-7,933

Finding the Fourth Proportional to 31,306.36, 46,961.28 and 7,933

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Solution

The fourth proportional to 31,306.36, 46,961.28 and 7,933 is: 11,899.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,306.36 : 46,961.28 = 7,933 : x
  2. Step 2: Convert to fraction form
    31,306.36/46,961.28 = 7,933/x
  3. Step 3: Cross multiply
    31,306.36x = 46,961.28 × 7,933
  4. Step 4: Simplify right side
    31,306.36x = 372,543,834.24
  5. Step 5: Solve for x
    x = 372,543,834.24/31,306.36
  6. Step 6: Final answer
    x = 11,899.94

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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.