Home / 35,740.47-49,324.09-20,635.90

Finding the Fourth Proportional to 35,740.47, 49,324.09 and 20,635.90

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Solution

The fourth proportional to 35,740.47, 49,324.09 and 20,635.90 is: 28,478.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,740.47 : 49,324.09 = 20,635.90 : x
  2. Step 2: Convert to fraction form
    35,740.47/49,324.09 = 20,635.90/x
  3. Step 3: Cross multiply
    35,740.47x = 49,324.09 × 20,635.90
  4. Step 4: Simplify right side
    35,740.47x = 1,017,846,852.62
  5. Step 5: Solve for x
    x = 1,017,846,852.62/35,740.47
  6. Step 6: Final answer
    x = 28,478.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.