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Finding the Fourth Proportional to 36,503.88, 54,765.08 and 10,208.76

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Solution

The fourth proportional to 36,503.88, 54,765.08 and 10,208.76 is: 15,315.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,503.88 : 54,765.08 = 10,208.76 : x
  2. Step 2: Convert to fraction form
    36,503.88/54,765.08 = 10,208.76/x
  3. Step 3: Cross multiply
    36,503.88x = 54,765.08 × 10,208.76
  4. Step 4: Simplify right side
    36,503.88x = 559,083,558.10
  5. Step 5: Solve for x
    x = 559,083,558.10/36,503.88
  6. Step 6: Final answer
    x = 15,315.73

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1.5x scale

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.