Home / 30,530.08-45,769.20-29,078.56

Finding the Fourth Proportional to 30,530.08, 45,769.20 and 29,078.56

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Solution

The fourth proportional to 30,530.08, 45,769.20 and 29,078.56 is: 43,593.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,530.08 : 45,769.20 = 29,078.56 : x
  2. Step 2: Convert to fraction form
    30,530.08/45,769.20 = 29,078.56/x
  3. Step 3: Cross multiply
    30,530.08x = 45,769.20 × 29,078.56
  4. Step 4: Simplify right side
    30,530.08x = 1,330,902,428.35
  5. Step 5: Solve for x
    x = 1,330,902,428.35/30,530.08
  6. Step 6: Final answer
    x = 43,593.15

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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.