Home / 64,136.24-96,215.16-19,761.68

Finding the Fourth Proportional to 64,136.24, 96,215.16 and 19,761.68

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Solution

The fourth proportional to 64,136.24, 96,215.16 and 19,761.68 is: 29,645.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,136.24 : 96,215.16 = 19,761.68 : x
  2. Step 2: Convert to fraction form
    64,136.24/96,215.16 = 19,761.68/x
  3. Step 3: Cross multiply
    64,136.24x = 96,215.16 × 19,761.68
  4. Step 4: Simplify right side
    64,136.24x = 1,901,373,203.07
  5. Step 5: Solve for x
    x = 1,901,373,203.07/64,136.24
  6. Step 6: Final answer
    x = 29,645.85

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1.5x scale

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.