Home / 36,901.20-55,342.80-10,603.20

Finding the Fourth Proportional to 36,901.20, 55,342.80 and 10,603.20

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Solution

The fourth proportional to 36,901.20, 55,342.80 and 10,603.20 is: 15,902.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,901.20 : 55,342.80 = 10,603.20 : x
  2. Step 2: Convert to fraction form
    36,901.20/55,342.80 = 10,603.20/x
  3. Step 3: Cross multiply
    36,901.20x = 55,342.80 × 10,603.20
  4. Step 4: Simplify right side
    36,901.20x = 586,810,776.96
  5. Step 5: Solve for x
    x = 586,810,776.96/36,901.20
  6. Step 6: Final answer
    x = 15,902.21

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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.