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Finding the Fourth Proportional to 30,273.57, 45,410.40 and 14,474.90

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Solution

The fourth proportional to 30,273.57, 45,410.40 and 14,474.90 is: 21,712.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,273.57 : 45,410.40 = 14,474.90 : x
  2. Step 2: Convert to fraction form
    30,273.57/45,410.40 = 14,474.90/x
  3. Step 3: Cross multiply
    30,273.57x = 45,410.40 × 14,474.90
  4. Step 4: Simplify right side
    30,273.57x = 657,311,112.49
  5. Step 5: Solve for x
    x = 657,311,112.49/30,273.57
  6. Step 6: Final answer
    x = 21,712.38

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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.