Home / 42,799.34-64,214.21-19,104.73

Finding the Fourth Proportional to 42,799.34, 64,214.21 and 19,104.73

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Solution

The fourth proportional to 42,799.34, 64,214.21 and 19,104.73 is: 28,663.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,799.34 : 64,214.21 = 19,104.73 : x
  2. Step 2: Convert to fraction form
    42,799.34/64,214.21 = 19,104.73/x
  3. Step 3: Cross multiply
    42,799.34x = 64,214.21 × 19,104.73
  4. Step 4: Simplify right side
    42,799.34x = 1,226,795,031.44
  5. Step 5: Solve for x
    x = 1,226,795,031.44/42,799.34
  6. Step 6: Final answer
    x = 28,663.88

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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.