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Finding the Fourth Proportional to 30,447.98, 45,666.59 and 8,263.09

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Solution

The fourth proportional to 30,447.98, 45,666.59 and 8,263.09 is: 12,393.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,447.98 : 45,666.59 = 8,263.09 : x
  2. Step 2: Convert to fraction form
    30,447.98/45,666.59 = 8,263.09/x
  3. Step 3: Cross multiply
    30,447.98x = 45,666.59 × 8,263.09
  4. Step 4: Simplify right side
    30,447.98x = 377,346,902.06
  5. Step 5: Solve for x
    x = 377,346,902.06/30,447.98
  6. Step 6: Final answer
    x = 12,393.17

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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.