Home / 53,072.97-79,640.21-26,779.76

Finding the Fourth Proportional to 53,072.97, 79,640.21 and 26,779.76

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Solution

The fourth proportional to 53,072.97, 79,640.21 and 26,779.76 is: 40,185.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,072.97 : 79,640.21 = 26,779.76 : x
  2. Step 2: Convert to fraction form
    53,072.97/79,640.21 = 26,779.76/x
  3. Step 3: Cross multiply
    53,072.97x = 79,640.21 × 26,779.76
  4. Step 4: Simplify right side
    53,072.97x = 2,132,746,125.52
  5. Step 5: Solve for x
    x = 2,132,746,125.52/53,072.97
  6. Step 6: Final answer
    x = 40,185.16

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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.