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Finding the Fourth Proportional to 41,603.60, 62,405.40 and 12,022.40

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Solution

The fourth proportional to 41,603.60, 62,405.40 and 12,022.40 is: 18,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,603.60 : 62,405.40 = 12,022.40 : x
  2. Step 2: Convert to fraction form
    41,603.60/62,405.40 = 12,022.40/x
  3. Step 3: Cross multiply
    41,603.60x = 62,405.40 × 12,022.40
  4. Step 4: Simplify right side
    41,603.60x = 750,262,680.96
  5. Step 5: Solve for x
    x = 750,262,680.96/41,603.60
  6. Step 6: Final answer
    x = 18,033.60

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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.