Home / 37,806.86-52,176.48-21,891.58

Finding the Fourth Proportional to 37,806.86, 52,176.48 and 21,891.58

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Solution

The fourth proportional to 37,806.86, 52,176.48 and 21,891.58 is: 30,212.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,806.86 : 52,176.48 = 21,891.58 : x
  2. Step 2: Convert to fraction form
    37,806.86/52,176.48 = 21,891.58/x
  3. Step 3: Cross multiply
    37,806.86x = 52,176.48 × 21,891.58
  4. Step 4: Simplify right side
    37,806.86x = 1,142,225,586.04
  5. Step 5: Solve for x
    x = 1,142,225,586.04/37,806.86
  6. Step 6: Final answer
    x = 30,212.13

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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.