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Finding the Fourth Proportional to 35,504.80, 53,267.44 and 11,488.58

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Solution

The fourth proportional to 35,504.80, 53,267.44 and 11,488.58 is: 17,236.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,504.80 : 53,267.44 = 11,488.58 : x
  2. Step 2: Convert to fraction form
    35,504.80/53,267.44 = 11,488.58/x
  3. Step 3: Cross multiply
    35,504.80x = 53,267.44 × 11,488.58
  4. Step 4: Simplify right side
    35,504.80x = 611,967,245.84
  5. Step 5: Solve for x
    x = 611,967,245.84/35,504.80
  6. Step 6: Final answer
    x = 17,236.18

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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.