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Finding the Fourth Proportional to 41,171.40, 61,814.70 and 25,619.40

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Solution

The fourth proportional to 41,171.40, 61,814.70 and 25,619.40 is: 38,464.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,171.40 : 61,814.70 = 25,619.40 : x
  2. Step 2: Convert to fraction form
    41,171.40/61,814.70 = 25,619.40/x
  3. Step 3: Cross multiply
    41,171.40x = 61,814.70 × 25,619.40
  4. Step 4: Simplify right side
    41,171.40x = 1,583,655,525.18
  5. Step 5: Solve for x
    x = 1,583,655,525.18/41,171.40
  6. Step 6: Final answer
    x = 38,464.94

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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.