Home / 37,117.68-55,651.32-13,731.36

Finding the Fourth Proportional to 37,117.68, 55,651.32 and 13,731.36

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Solution

The fourth proportional to 37,117.68, 55,651.32 and 13,731.36 is: 20,587.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,117.68 : 55,651.32 = 13,731.36 : x
  2. Step 2: Convert to fraction form
    37,117.68/55,651.32 = 13,731.36/x
  3. Step 3: Cross multiply
    37,117.68x = 55,651.32 × 13,731.36
  4. Step 4: Simplify right side
    37,117.68x = 764,168,309.40
  5. Step 5: Solve for x
    x = 764,168,309.40/37,117.68
  6. Step 6: Final answer
    x = 20,587.72

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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.