Home / 43,182.34-64,782.24-18,222.45

Finding the Fourth Proportional to 43,182.34, 64,782.24 and 18,222.45

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Solution

The fourth proportional to 43,182.34, 64,782.24 and 18,222.45 is: 27,337.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,182.34 : 64,782.24 = 18,222.45 : x
  2. Step 2: Convert to fraction form
    43,182.34/64,782.24 = 18,222.45/x
  3. Step 3: Cross multiply
    43,182.34x = 64,782.24 × 18,222.45
  4. Step 4: Simplify right side
    43,182.34x = 1,180,491,129.29
  5. Step 5: Solve for x
    x = 1,180,491,129.29/43,182.34
  6. Step 6: Final answer
    x = 27,337.36

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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.