Home / 36,913.95-55,378.20-13,540.59

Finding the Fourth Proportional to 36,913.95, 55,378.20 and 13,540.59

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Solution

The fourth proportional to 36,913.95, 55,378.20 and 13,540.59 is: 20,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,913.95 : 55,378.20 = 13,540.59 : x
  2. Step 2: Convert to fraction form
    36,913.95/55,378.20 = 13,540.59/x
  3. Step 3: Cross multiply
    36,913.95x = 55,378.20 × 13,540.59
  4. Step 4: Simplify right side
    36,913.95x = 749,853,501.14
  5. Step 5: Solve for x
    x = 749,853,501.14/36,913.95
  6. Step 6: Final answer
    x = 20,313.55

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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.