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Finding the Fourth Proportional to 40,253.34, 60,380.01 and 12,553.50

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Solution

The fourth proportional to 40,253.34, 60,380.01 and 12,553.50 is: 18,830.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,253.34 : 60,380.01 = 12,553.50 : x
  2. Step 2: Convert to fraction form
    40,253.34/60,380.01 = 12,553.50/x
  3. Step 3: Cross multiply
    40,253.34x = 60,380.01 × 12,553.50
  4. Step 4: Simplify right side
    40,253.34x = 757,980,455.54
  5. Step 5: Solve for x
    x = 757,980,455.54/40,253.34
  6. Step 6: Final answer
    x = 18,830.25

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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.