Home / 36,913.40-55,378.08-11,955.96

Finding the Fourth Proportional to 36,913.40, 55,378.08 and 11,955.96

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Solution

The fourth proportional to 36,913.40, 55,378.08 and 11,955.96 is: 17,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,913.40 : 55,378.08 = 11,955.96 : x
  2. Step 2: Convert to fraction form
    36,913.40/55,378.08 = 11,955.96/x
  3. Step 3: Cross multiply
    36,913.40x = 55,378.08 × 11,955.96
  4. Step 4: Simplify right side
    36,913.40x = 662,098,109.36
  5. Step 5: Solve for x
    x = 662,098,109.36/36,913.40
  6. Step 6: Final answer
    x = 17,936.52

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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.