Home / 40,930.40-61,453.20-32,175.20

Finding the Fourth Proportional to 40,930.40, 61,453.20 and 32,175.20

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Solution

The fourth proportional to 40,930.40, 61,453.20 and 32,175.20 is: 48,308.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,930.40 : 61,453.20 = 32,175.20 : x
  2. Step 2: Convert to fraction form
    40,930.40/61,453.20 = 32,175.20/x
  3. Step 3: Cross multiply
    40,930.40x = 61,453.20 × 32,175.20
  4. Step 4: Simplify right side
    40,930.40x = 1,977,269,000.64
  5. Step 5: Solve for x
    x = 1,977,269,000.64/40,930.40
  6. Step 6: Final answer
    x = 48,308.08

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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.