Home / 64,524.12-96,786.66-17,779.56

Finding the Fourth Proportional to 64,524.12, 96,786.66 and 17,779.56

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Solution

The fourth proportional to 64,524.12, 96,786.66 and 17,779.56 is: 26,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,524.12 : 96,786.66 = 17,779.56 : x
  2. Step 2: Convert to fraction form
    64,524.12/96,786.66 = 17,779.56/x
  3. Step 3: Cross multiply
    64,524.12x = 96,786.66 × 17,779.56
  4. Step 4: Simplify right side
    64,524.12x = 1,720,824,228.67
  5. Step 5: Solve for x
    x = 1,720,824,228.67/64,524.12
  6. Step 6: Final answer
    x = 26,669.47

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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.