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Finding the Fourth Proportional to 35,218.91, 52,830.29 and 8,923.88

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Solution

The fourth proportional to 35,218.91, 52,830.29 and 8,923.88 is: 13,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,218.91 : 52,830.29 = 8,923.88 : x
  2. Step 2: Convert to fraction form
    35,218.91/52,830.29 = 8,923.88/x
  3. Step 3: Cross multiply
    35,218.91x = 52,830.29 × 8,923.88
  4. Step 4: Simplify right side
    35,218.91x = 471,450,859.55
  5. Step 5: Solve for x
    x = 471,450,859.55/35,218.91
  6. Step 6: Final answer
    x = 13,386.30

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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.