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Finding the Fourth Proportional to 41,167.40, 61,808.70 and 25,615.40

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Solution

The fourth proportional to 41,167.40, 61,808.70 and 25,615.40 is: 38,458.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,167.40 : 61,808.70 = 25,615.40 : x
  2. Step 2: Convert to fraction form
    41,167.40/61,808.70 = 25,615.40/x
  3. Step 3: Cross multiply
    41,167.40x = 61,808.70 × 25,615.40
  4. Step 4: Simplify right side
    41,167.40x = 1,583,254,573.98
  5. Step 5: Solve for x
    x = 1,583,254,573.98/41,167.40
  6. Step 6: Final answer
    x = 38,458.94

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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.