Home / 53,990.33-81,001.05-16,555.92

Finding the Fourth Proportional to 53,990.33, 81,001.05 and 16,555.92

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Solution

The fourth proportional to 53,990.33, 81,001.05 and 16,555.92 is: 24,838.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,990.33 : 81,001.05 = 16,555.92 : x
  2. Step 2: Convert to fraction form
    53,990.33/81,001.05 = 16,555.92/x
  3. Step 3: Cross multiply
    53,990.33x = 81,001.05 × 16,555.92
  4. Step 4: Simplify right side
    53,990.33x = 1,341,046,537.88
  5. Step 5: Solve for x
    x = 1,341,046,537.88/53,990.33
  6. Step 6: Final answer
    x = 24,838.65

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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.