Home / 36,938.49-55,403.10-10,286.46

Finding the Fourth Proportional to 36,938.49, 55,403.10 and 10,286.46

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Solution

The fourth proportional to 36,938.49, 55,403.10 and 10,286.46 is: 15,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,938.49 : 55,403.10 = 10,286.46 : x
  2. Step 2: Convert to fraction form
    36,938.49/55,403.10 = 10,286.46/x
  3. Step 3: Cross multiply
    36,938.49x = 55,403.10 × 10,286.46
  4. Step 4: Simplify right side
    36,938.49x = 569,901,772.03
  5. Step 5: Solve for x
    x = 569,901,772.03/36,938.49
  6. Step 6: Final answer
    x = 15,428.40

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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.