Home / 35,214.12-52,821.30-8,918.85

Finding the Fourth Proportional to 35,214.12, 52,821.30 and 8,918.85

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Solution

The fourth proportional to 35,214.12, 52,821.30 and 8,918.85 is: 13,378.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,214.12 : 52,821.30 = 8,918.85 : x
  2. Step 2: Convert to fraction form
    35,214.12/52,821.30 = 8,918.85/x
  3. Step 3: Cross multiply
    35,214.12x = 52,821.30 × 8,918.85
  4. Step 4: Simplify right side
    35,214.12x = 471,105,251.51
  5. Step 5: Solve for x
    x = 471,105,251.51/35,214.12
  6. Step 6: Final answer
    x = 13,378.31

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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.