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Finding the Fourth Proportional to 41,138.15, 61,706.68 and 9,973.67

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Solution

The fourth proportional to 41,138.15, 61,706.68 and 9,973.67 is: 14,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,138.15 : 61,706.68 = 9,973.67 : x
  2. Step 2: Convert to fraction form
    41,138.15/61,706.68 = 9,973.67/x
  3. Step 3: Cross multiply
    41,138.15x = 61,706.68 × 9,973.67
  4. Step 4: Simplify right side
    41,138.15x = 615,441,729.65
  5. Step 5: Solve for x
    x = 615,441,729.65/41,138.15
  6. Step 6: Final answer
    x = 14,960.37

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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.