Home / 53,428.65-73,731.60-29,556.93

Finding the Fourth Proportional to 53,428.65, 73,731.60 and 29,556.93

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Solution

The fourth proportional to 53,428.65, 73,731.60 and 29,556.93 is: 40,788.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,428.65 : 73,731.60 = 29,556.93 : x
  2. Step 2: Convert to fraction form
    53,428.65/73,731.60 = 29,556.93/x
  3. Step 3: Cross multiply
    53,428.65x = 73,731.60 × 29,556.93
  4. Step 4: Simplify right side
    53,428.65x = 2,179,280,016.48
  5. Step 5: Solve for x
    x = 2,179,280,016.48/53,428.65
  6. Step 6: Final answer
    x = 40,788.61

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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.