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Finding the Fourth Proportional to 35,903.02, 53,853.99 and 11,279.02

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Solution

The fourth proportional to 35,903.02, 53,853.99 and 11,279.02 is: 16,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,903.02 : 53,853.99 = 11,279.02 : x
  2. Step 2: Convert to fraction form
    35,903.02/53,853.99 = 11,279.02/x
  3. Step 3: Cross multiply
    35,903.02x = 53,853.99 × 11,279.02
  4. Step 4: Simplify right side
    35,903.02x = 607,420,230.29
  5. Step 5: Solve for x
    x = 607,420,230.29/35,903.02
  6. Step 6: Final answer
    x = 16,918.36

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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.