Home / 64,091.29-96,137.16-19,717.74

Finding the Fourth Proportional to 64,091.29, 96,137.16 and 19,717.74

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Solution

The fourth proportional to 64,091.29, 96,137.16 and 19,717.74 is: 29,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,091.29 : 96,137.16 = 19,717.74 : x
  2. Step 2: Convert to fraction form
    64,091.29/96,137.16 = 19,717.74/x
  3. Step 3: Cross multiply
    64,091.29x = 96,137.16 × 19,717.74
  4. Step 4: Simplify right side
    64,091.29x = 1,895,607,525.22
  5. Step 5: Solve for x
    x = 1,895,607,525.22/64,091.29
  6. Step 6: Final answer
    x = 29,576.68

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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.