Home / 29,742.63-41,036.47-16,991.21

Finding the Fourth Proportional to 29,742.63, 41,036.47 and 16,991.21

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Solution

The fourth proportional to 29,742.63, 41,036.47 and 16,991.21 is: 23,443.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,742.63 : 41,036.47 = 16,991.21 : x
  2. Step 2: Convert to fraction form
    29,742.63/41,036.47 = 16,991.21/x
  3. Step 3: Cross multiply
    29,742.63x = 41,036.47 × 16,991.21
  4. Step 4: Simplify right side
    29,742.63x = 697,259,146.58
  5. Step 5: Solve for x
    x = 697,259,146.58/29,742.63
  6. Step 6: Final answer
    x = 23,443.09

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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.