Home / 32,302.08-48,453.60-21,279.36

Finding the Fourth Proportional to 32,302.08, 48,453.60 and 21,279.36

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Solution

The fourth proportional to 32,302.08, 48,453.60 and 21,279.36 is: 31,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,302.08 : 48,453.60 = 21,279.36 : x
  2. Step 2: Convert to fraction form
    32,302.08/48,453.60 = 21,279.36/x
  3. Step 3: Cross multiply
    32,302.08x = 48,453.60 × 21,279.36
  4. Step 4: Simplify right side
    32,302.08x = 1,031,061,597.70
  5. Step 5: Solve for x
    x = 1,031,061,597.70/32,302.08
  6. Step 6: Final answer
    x = 31,919.36

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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.