Home / 64,262.09-96,396.72-19,885.38

Finding the Fourth Proportional to 64,262.09, 96,396.72 and 19,885.38

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Solution

The fourth proportional to 64,262.09, 96,396.72 and 19,885.38 is: 29,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,262.09 : 96,396.72 = 19,885.38 : x
  2. Step 2: Convert to fraction form
    64,262.09/96,396.72 = 19,885.38/x
  3. Step 3: Cross multiply
    64,262.09x = 96,396.72 × 19,885.38
  4. Step 4: Simplify right side
    64,262.09x = 1,916,885,407.95
  5. Step 5: Solve for x
    x = 1,916,885,407.95/64,262.09
  6. Step 6: Final answer
    x = 29,829.18

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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.