Home / 32,915.48-49,351.32-18,131.36

Finding the Fourth Proportional to 32,915.48, 49,351.32 and 18,131.36

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Solution

The fourth proportional to 32,915.48, 49,351.32 and 18,131.36 is: 27,184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,915.48 : 49,351.32 = 18,131.36 : x
  2. Step 2: Convert to fraction form
    32,915.48/49,351.32 = 18,131.36/x
  3. Step 3: Cross multiply
    32,915.48x = 49,351.32 × 18,131.36
  4. Step 4: Simplify right side
    32,915.48x = 894,806,549.40
  5. Step 5: Solve for x
    x = 894,806,549.40/32,915.48
  6. Step 6: Final answer
    x = 27,184.98

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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.