Home / 43,227.20-64,869.60-19,841.60

Finding the Fourth Proportional to 43,227.20, 64,869.60 and 19,841.60

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Solution

The fourth proportional to 43,227.20, 64,869.60 and 19,841.60 is: 29,775.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,227.20 : 64,869.60 = 19,841.60 : x
  2. Step 2: Convert to fraction form
    43,227.20/64,869.60 = 19,841.60/x
  3. Step 3: Cross multiply
    43,227.20x = 64,869.60 × 19,841.60
  4. Step 4: Simplify right side
    43,227.20x = 1,287,116,655.36
  5. Step 5: Solve for x
    x = 1,287,116,655.36/43,227.20
  6. Step 6: Final answer
    x = 29,775.62

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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.