Home / 43,750.12-65,622.84-21,541.36

Finding the Fourth Proportional to 43,750.12, 65,622.84 and 21,541.36

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Solution

The fourth proportional to 43,750.12, 65,622.84 and 21,541.36 is: 32,310.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,750.12 : 65,622.84 = 21,541.36 : x
  2. Step 2: Convert to fraction form
    43,750.12/65,622.84 = 21,541.36/x
  3. Step 3: Cross multiply
    43,750.12x = 65,622.84 × 21,541.36
  4. Step 4: Simplify right side
    43,750.12x = 1,413,605,220.66
  5. Step 5: Solve for x
    x = 1,413,605,220.66/43,750.12
  6. Step 6: Final answer
    x = 32,310.89

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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.