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Finding the Fourth Proportional to 30,227.40, 45,254.70 and 18,563.40

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Solution

The fourth proportional to 30,227.40, 45,254.70 and 18,563.40 is: 27,792.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,227.40 : 45,254.70 = 18,563.40 : x
  2. Step 2: Convert to fraction form
    30,227.40/45,254.70 = 18,563.40/x
  3. Step 3: Cross multiply
    30,227.40x = 45,254.70 × 18,563.40
  4. Step 4: Simplify right side
    30,227.40x = 840,081,097.98
  5. Step 5: Solve for x
    x = 840,081,097.98/30,227.40
  6. Step 6: Final answer
    x = 27,792.04

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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.