Home / 32,915.20-49,371.69-13,188.46

Finding the Fourth Proportional to 32,915.20, 49,371.69 and 13,188.46

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Solution

The fourth proportional to 32,915.20, 49,371.69 and 13,188.46 is: 19,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,915.20 : 49,371.69 = 13,188.46 : x
  2. Step 2: Convert to fraction form
    32,915.20/49,371.69 = 13,188.46/x
  3. Step 3: Cross multiply
    32,915.20x = 49,371.69 × 13,188.46
  4. Step 4: Simplify right side
    32,915.20x = 651,136,558.70
  5. Step 5: Solve for x
    x = 651,136,558.70/32,915.20
  6. Step 6: Final answer
    x = 19,782.25

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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.