Home / 41,555.18-57,317.04-28,120.52

Finding the Fourth Proportional to 41,555.18, 57,317.04 and 28,120.52

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Solution

The fourth proportional to 41,555.18, 57,317.04 and 28,120.52 is: 38,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,555.18 : 57,317.04 = 28,120.52 : x
  2. Step 2: Convert to fraction form
    41,555.18/57,317.04 = 28,120.52/x
  3. Step 3: Cross multiply
    41,555.18x = 57,317.04 × 28,120.52
  4. Step 4: Simplify right side
    41,555.18x = 1,611,784,969.66
  5. Step 5: Solve for x
    x = 1,611,784,969.66/41,555.18
  6. Step 6: Final answer
    x = 38,786.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.