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Finding the Fourth Proportional to 30,004.88, 44,999.40 and 8,939.24

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Solution

The fourth proportional to 30,004.88, 44,999.40 and 8,939.24 is: 13,406.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,004.88 : 44,999.40 = 8,939.24 : x
  2. Step 2: Convert to fraction form
    30,004.88/44,999.40 = 8,939.24/x
  3. Step 3: Cross multiply
    30,004.88x = 44,999.40 × 8,939.24
  4. Step 4: Simplify right side
    30,004.88x = 402,260,436.46
  5. Step 5: Solve for x
    x = 402,260,436.46/30,004.88
  6. Step 6: Final answer
    x = 13,406.50

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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.