Home / 30,042.87-45,067.38-11,338.65

Finding the Fourth Proportional to 30,042.87, 45,067.38 and 11,338.65

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Solution

The fourth proportional to 30,042.87, 45,067.38 and 11,338.65 is: 17,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,042.87 : 45,067.38 = 11,338.65 : x
  2. Step 2: Convert to fraction form
    30,042.87/45,067.38 = 11,338.65/x
  3. Step 3: Cross multiply
    30,042.87x = 45,067.38 × 11,338.65
  4. Step 4: Simplify right side
    30,042.87x = 511,003,248.24
  5. Step 5: Solve for x
    x = 511,003,248.24/30,042.87
  6. Step 6: Final answer
    x = 17,009.14

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1.5x scale

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.