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Finding the Fourth Proportional to 30,006.88, 45,003.33 and 8,944.99

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Solution

The fourth proportional to 30,006.88, 45,003.33 and 8,944.99 is: 13,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,006.88 : 45,003.33 = 8,944.99 : x
  2. Step 2: Convert to fraction form
    30,006.88/45,003.33 = 8,944.99/x
  3. Step 3: Cross multiply
    30,006.88x = 45,003.33 × 8,944.99
  4. Step 4: Simplify right side
    30,006.88x = 402,554,224.31
  5. Step 5: Solve for x
    x = 402,554,224.31/30,006.88
  6. Step 6: Final answer
    x = 13,415.40

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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.