Home / 32,467.20-48,702.40-16,915.20

Finding the Fourth Proportional to 32,467.20, 48,702.40 and 16,915.20

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Solution

The fourth proportional to 32,467.20, 48,702.40 and 16,915.20 is: 25,373.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,467.20 : 48,702.40 = 16,915.20 : x
  2. Step 2: Convert to fraction form
    32,467.20/48,702.40 = 16,915.20/x
  3. Step 3: Cross multiply
    32,467.20x = 48,702.40 × 16,915.20
  4. Step 4: Simplify right side
    32,467.20x = 823,810,836.48
  5. Step 5: Solve for x
    x = 823,810,836.48/32,467.20
  6. Step 6: Final answer
    x = 25,373.63

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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.