Home / 42,716.76-64,067.58-11,554.44

Finding the Fourth Proportional to 42,716.76, 64,067.58 and 11,554.44

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Solution

The fourth proportional to 42,716.76, 64,067.58 and 11,554.44 is: 17,329.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,716.76 : 64,067.58 = 11,554.44 : x
  2. Step 2: Convert to fraction form
    42,716.76/64,067.58 = 11,554.44/x
  3. Step 3: Cross multiply
    42,716.76x = 64,067.58 × 11,554.44
  4. Step 4: Simplify right side
    42,716.76x = 740,265,009.06
  5. Step 5: Solve for x
    x = 740,265,009.06/42,716.76
  6. Step 6: Final answer
    x = 17,329.62

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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.