Home / 29,139.90-43,723.56-14,361.32

Finding the Fourth Proportional to 29,139.90, 43,723.56 and 14,361.32

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Solution

The fourth proportional to 29,139.90, 43,723.56 and 14,361.32 is: 21,548.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,139.90 : 43,723.56 = 14,361.32 : x
  2. Step 2: Convert to fraction form
    29,139.90/43,723.56 = 14,361.32/x
  3. Step 3: Cross multiply
    29,139.90x = 43,723.56 × 14,361.32
  4. Step 4: Simplify right side
    29,139.90x = 627,928,036.70
  5. Step 5: Solve for x
    x = 627,928,036.70/29,139.90
  6. Step 6: Final answer
    x = 21,548.74

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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.