Home / 49,779.05-68,689.97-29,636.78

Finding the Fourth Proportional to 49,779.05, 68,689.97 and 29,636.78

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Solution

The fourth proportional to 49,779.05, 68,689.97 and 29,636.78 is: 40,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,779.05 : 68,689.97 = 29,636.78 : x
  2. Step 2: Convert to fraction form
    49,779.05/68,689.97 = 29,636.78/x
  3. Step 3: Cross multiply
    49,779.05x = 68,689.97 × 29,636.78
  4. Step 4: Simplify right side
    49,779.05x = 2,035,749,037.46
  5. Step 5: Solve for x
    x = 2,035,749,037.46/49,779.05
  6. Step 6: Final answer
    x = 40,895.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.