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Finding the Fourth Proportional to 29,999.72, 44,999.49 and 16,666.46

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Solution

The fourth proportional to 29,999.72, 44,999.49 and 16,666.46 is: 24,999.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,999.72 : 44,999.49 = 16,666.46 : x
  2. Step 2: Convert to fraction form
    29,999.72/44,999.49 = 16,666.46/x
  3. Step 3: Cross multiply
    29,999.72x = 44,999.49 × 16,666.46
  4. Step 4: Simplify right side
    29,999.72x = 749,982,200.11
  5. Step 5: Solve for x
    x = 749,982,200.11/29,999.72
  6. Step 6: Final answer
    x = 24,999.64

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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.