Home / 41,124.80-61,687.20-17,777.60

Finding the Fourth Proportional to 41,124.80, 61,687.20 and 17,777.60

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Solution

The fourth proportional to 41,124.80, 61,687.20 and 17,777.60 is: 26,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,124.80 : 61,687.20 = 17,777.60 : x
  2. Step 2: Convert to fraction form
    41,124.80/61,687.20 = 17,777.60/x
  3. Step 3: Cross multiply
    41,124.80x = 61,687.20 × 17,777.60
  4. Step 4: Simplify right side
    41,124.80x = 1,096,650,366.72
  5. Step 5: Solve for x
    x = 1,096,650,366.72/41,124.80
  6. Step 6: Final answer
    x = 26,666.40

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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.