Home / 31,287.32-46,915.66-15,474.03

Finding the Fourth Proportional to 31,287.32, 46,915.66 and 15,474.03

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Solution

The fourth proportional to 31,287.32, 46,915.66 and 15,474.03 is: 23,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,287.32 : 46,915.66 = 15,474.03 : x
  2. Step 2: Convert to fraction form
    31,287.32/46,915.66 = 15,474.03/x
  3. Step 3: Cross multiply
    31,287.32x = 46,915.66 × 15,474.03
  4. Step 4: Simplify right side
    31,287.32x = 725,974,330.31
  5. Step 5: Solve for x
    x = 725,974,330.31/31,287.32
  6. Step 6: Final answer
    x = 23,203.47

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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.