Home / 43,242.24-64,872.75-13,256.59

Finding the Fourth Proportional to 43,242.24, 64,872.75 and 13,256.59

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Solution

The fourth proportional to 43,242.24, 64,872.75 and 13,256.59 is: 19,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,242.24 : 64,872.75 = 13,256.59 : x
  2. Step 2: Convert to fraction form
    43,242.24/64,872.75 = 13,256.59/x
  3. Step 3: Cross multiply
    43,242.24x = 64,872.75 × 13,256.59
  4. Step 4: Simplify right side
    43,242.24x = 859,991,458.09
  5. Step 5: Solve for x
    x = 859,991,458.09/43,242.24
  6. Step 6: Final answer
    x = 19,887.76

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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.