Home / 31,036.71-46,537.50-28,391.79

Finding the Fourth Proportional to 31,036.71, 46,537.50 and 28,391.79

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Solution

The fourth proportional to 31,036.71, 46,537.50 and 28,391.79 is: 42,571.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,036.71 : 46,537.50 = 28,391.79 : x
  2. Step 2: Convert to fraction form
    31,036.71/46,537.50 = 28,391.79/x
  3. Step 3: Cross multiply
    31,036.71x = 46,537.50 × 28,391.79
  4. Step 4: Simplify right side
    31,036.71x = 1,321,282,927.13
  5. Step 5: Solve for x
    x = 1,321,282,927.13/31,036.71
  6. Step 6: Final answer
    x = 42,571.62

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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.