Home / 30,039.76-45,044.61-10,042.38

Finding the Fourth Proportional to 30,039.76, 45,044.61 and 10,042.38

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Solution

The fourth proportional to 30,039.76, 45,044.61 and 10,042.38 is: 15,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039.76 : 45,044.61 = 10,042.38 : x
  2. Step 2: Convert to fraction form
    30,039.76/45,044.61 = 10,042.38/x
  3. Step 3: Cross multiply
    30,039.76x = 45,044.61 × 10,042.38
  4. Step 4: Simplify right side
    30,039.76x = 452,355,052.91
  5. Step 5: Solve for x
    x = 452,355,052.91/30,039.76
  6. Step 6: Final answer
    x = 15,058.54

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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.