Home / 30,050.49-45,086.13-11,335.89

Finding the Fourth Proportional to 30,050.49, 45,086.13 and 11,335.89

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Solution

The fourth proportional to 30,050.49, 45,086.13 and 11,335.89 is: 17,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,050.49 : 45,086.13 = 11,335.89 : x
  2. Step 2: Convert to fraction form
    30,050.49/45,086.13 = 11,335.89/x
  3. Step 3: Cross multiply
    30,050.49x = 45,086.13 × 11,335.89
  4. Step 4: Simplify right side
    30,050.49x = 511,091,410.21
  5. Step 5: Solve for x
    x = 511,091,410.21/30,050.49
  6. Step 6: Final answer
    x = 17,007.76

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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.