Home / 53,751.29-80,689.23-28,840.07

Finding the Fourth Proportional to 53,751.29, 80,689.23 and 28,840.07

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Solution

The fourth proportional to 53,751.29, 80,689.23 and 28,840.07 is: 43,293.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,751.29 : 80,689.23 = 28,840.07 : x
  2. Step 2: Convert to fraction form
    53,751.29/80,689.23 = 28,840.07/x
  3. Step 3: Cross multiply
    53,751.29x = 80,689.23 × 28,840.07
  4. Step 4: Simplify right side
    53,751.29x = 2,327,083,243.17
  5. Step 5: Solve for x
    x = 2,327,083,243.17/53,751.29
  6. Step 6: Final answer
    x = 43,293.54

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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.