Home / 41,989.74-57,945.15-23,128.62

Finding the Fourth Proportional to 41,989.74, 57,945.15 and 23,128.62

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Solution

The fourth proportional to 41,989.74, 57,945.15 and 23,128.62 is: 31,917.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,989.74 : 57,945.15 = 23,128.62 : x
  2. Step 2: Convert to fraction form
    41,989.74/57,945.15 = 23,128.62/x
  3. Step 3: Cross multiply
    41,989.74x = 57,945.15 × 23,128.62
  4. Step 4: Simplify right side
    41,989.74x = 1,340,191,355.19
  5. Step 5: Solve for x
    x = 1,340,191,355.19/41,989.74
  6. Step 6: Final answer
    x = 31,917.11

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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.