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Finding the Fourth Proportional to 35,999.49, 54,009.60 and 11,043.21

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Solution

The fourth proportional to 35,999.49, 54,009.60 and 11,043.21 is: 16,567.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,999.49 : 54,009.60 = 11,043.21 : x
  2. Step 2: Convert to fraction form
    35,999.49/54,009.60 = 11,043.21/x
  3. Step 3: Cross multiply
    35,999.49x = 54,009.60 × 11,043.21
  4. Step 4: Simplify right side
    35,999.49x = 596,439,354.82
  5. Step 5: Solve for x
    x = 596,439,354.82/35,999.49
  6. Step 6: Final answer
    x = 16,567.99

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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.