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Finding the Fourth Proportional to 40,004.60, 60,006.90 and 12,302.60

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Solution

The fourth proportional to 40,004.60, 60,006.90 and 12,302.60 is: 18,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,004.60 : 60,006.90 = 12,302.60 : x
  2. Step 2: Convert to fraction form
    40,004.60/60,006.90 = 12,302.60/x
  3. Step 3: Cross multiply
    40,004.60x = 60,006.90 × 12,302.60
  4. Step 4: Simplify right side
    40,004.60x = 738,240,887.94
  5. Step 5: Solve for x
    x = 738,240,887.94/40,004.60
  6. Step 6: Final answer
    x = 18,453.90

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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.