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Finding the Fourth Proportional to 30,092.99, 45,147.65 and 9,033.93

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Solution

The fourth proportional to 30,092.99, 45,147.65 and 9,033.93 is: 13,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,092.99 : 45,147.65 = 9,033.93 : x
  2. Step 2: Convert to fraction form
    30,092.99/45,147.65 = 9,033.93/x
  3. Step 3: Cross multiply
    30,092.99x = 45,147.65 × 9,033.93
  4. Step 4: Simplify right side
    30,092.99x = 407,860,664.59
  5. Step 5: Solve for x
    x = 407,860,664.59/30,092.99
  6. Step 6: Final answer
    x = 13,553.35

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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.