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Finding the Fourth Proportional to 30,444.69, 45,635.70 and 14,625.99

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Solution

The fourth proportional to 30,444.69, 45,635.70 and 14,625.99 is: 21,923.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,444.69 : 45,635.70 = 14,625.99 : x
  2. Step 2: Convert to fraction form
    30,444.69/45,635.70 = 14,625.99/x
  3. Step 3: Cross multiply
    30,444.69x = 45,635.70 × 14,625.99
  4. Step 4: Simplify right side
    30,444.69x = 667,467,291.84
  5. Step 5: Solve for x
    x = 667,467,291.84/30,444.69
  6. Step 6: Final answer
    x = 21,923.93

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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.