Home / 29,312.83-43,896.31-20,506.51

Finding the Fourth Proportional to 29,312.83, 43,896.31 and 20,506.51

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Solution

The fourth proportional to 29,312.83, 43,896.31 and 20,506.51 is: 30,708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,312.83 : 43,896.31 = 20,506.51 : x
  2. Step 2: Convert to fraction form
    29,312.83/43,896.31 = 20,506.51/x
  3. Step 3: Cross multiply
    29,312.83x = 43,896.31 × 20,506.51
  4. Step 4: Simplify right side
    29,312.83x = 900,160,119.98
  5. Step 5: Solve for x
    x = 900,160,119.98/29,312.83
  6. Step 6: Final answer
    x = 30,708.74

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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.