Home / 37,218.96-55,813.86-13,838.04

Finding the Fourth Proportional to 37,218.96, 55,813.86 and 13,838.04

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Solution

The fourth proportional to 37,218.96, 55,813.86 and 13,838.04 is: 20,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,218.96 : 55,813.86 = 13,838.04 : x
  2. Step 2: Convert to fraction form
    37,218.96/55,813.86 = 13,838.04/x
  3. Step 3: Cross multiply
    37,218.96x = 55,813.86 × 13,838.04
  4. Step 4: Simplify right side
    37,218.96x = 772,354,427.23
  5. Step 5: Solve for x
    x = 772,354,427.23/37,218.96
  6. Step 6: Final answer
    x = 20,751.64

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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.