Home / 32,915.12-49,375.68-10,722.80

Finding the Fourth Proportional to 32,915.12, 49,375.68 and 10,722.80

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Solution

The fourth proportional to 32,915.12, 49,375.68 and 10,722.80 is: 16,085.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,915.12 : 49,375.68 = 10,722.80 : x
  2. Step 2: Convert to fraction form
    32,915.12/49,375.68 = 10,722.80/x
  3. Step 3: Cross multiply
    32,915.12x = 49,375.68 × 10,722.80
  4. Step 4: Simplify right side
    32,915.12x = 529,445,541.50
  5. Step 5: Solve for x
    x = 529,445,541.50/32,915.12
  6. Step 6: Final answer
    x = 16,085.18

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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.