Home / 29,362.77-40,519.49-15,933.56

Finding the Fourth Proportional to 29,362.77, 40,519.49 and 15,933.56

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Solution

The fourth proportional to 29,362.77, 40,519.49 and 15,933.56 is: 21,987.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,362.77 : 40,519.49 = 15,933.56 : x
  2. Step 2: Convert to fraction form
    29,362.77/40,519.49 = 15,933.56/x
  3. Step 3: Cross multiply
    29,362.77x = 40,519.49 × 15,933.56
  4. Step 4: Simplify right side
    29,362.77x = 645,619,442.82
  5. Step 5: Solve for x
    x = 645,619,442.82/29,362.77
  6. Step 6: Final answer
    x = 21,987.69

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1.5x scale

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.