Home / 29,036.97-43,577.64-20,602.71

Finding the Fourth Proportional to 29,036.97, 43,577.64 and 20,602.71

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Solution

The fourth proportional to 29,036.97, 43,577.64 and 20,602.71 is: 30,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,036.97 : 43,577.64 = 20,602.71 : x
  2. Step 2: Convert to fraction form
    29,036.97/43,577.64 = 20,602.71/x
  3. Step 3: Cross multiply
    29,036.97x = 43,577.64 × 20,602.71
  4. Step 4: Simplify right side
    29,036.97x = 897,817,479.40
  5. Step 5: Solve for x
    x = 897,817,479.40/29,036.97
  6. Step 6: Final answer
    x = 30,919.81

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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.