Home / 30,034.23-45,053.73-8,972.73

Finding the Fourth Proportional to 30,034.23, 45,053.73 and 8,972.73

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Solution

The fourth proportional to 30,034.23, 45,053.73 and 8,972.73 is: 13,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,034.23 : 45,053.73 = 8,972.73 : x
  2. Step 2: Convert to fraction form
    30,034.23/45,053.73 = 8,972.73/x
  3. Step 3: Cross multiply
    30,034.23x = 45,053.73 × 8,972.73
  4. Step 4: Simplify right side
    30,034.23x = 404,254,954.78
  5. Step 5: Solve for x
    x = 404,254,954.78/30,034.23
  6. Step 6: Final answer
    x = 13,459.81

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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.