Home / 29,852.10-44,875.35-21,147.30

Finding the Fourth Proportional to 29,852.10, 44,875.35 and 21,147.30

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Solution

The fourth proportional to 29,852.10, 44,875.35 and 21,147.30 is: 31,789.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,852.10 : 44,875.35 = 21,147.30 : x
  2. Step 2: Convert to fraction form
    29,852.10/44,875.35 = 21,147.30/x
  3. Step 3: Cross multiply
    29,852.10x = 44,875.35 × 21,147.30
  4. Step 4: Simplify right side
    29,852.10x = 948,992,489.06
  5. Step 5: Solve for x
    x = 948,992,489.06/29,852.10
  6. Step 6: Final answer
    x = 31,789.81

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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.