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Finding the Fourth Proportional to 30,027.94, 45,035.02 and 11,309.92

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Solution

The fourth proportional to 30,027.94, 45,035.02 and 11,309.92 is: 16,962.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,027.94 : 45,035.02 = 11,309.92 : x
  2. Step 2: Convert to fraction form
    30,027.94/45,035.02 = 11,309.92/x
  3. Step 3: Cross multiply
    30,027.94x = 45,035.02 × 11,309.92
  4. Step 4: Simplify right side
    30,027.94x = 509,342,473.40
  5. Step 5: Solve for x
    x = 509,342,473.40/30,027.94
  6. Step 6: Final answer
    x = 16,962.28

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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.