Home / 41,878.64-57,790.10-23,015.76

Finding the Fourth Proportional to 41,878.64, 57,790.10 and 23,015.76

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Solution

The fourth proportional to 41,878.64, 57,790.10 and 23,015.76 is: 31,760.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,878.64 : 57,790.10 = 23,015.76 : x
  2. Step 2: Convert to fraction form
    41,878.64/57,790.10 = 23,015.76/x
  3. Step 3: Cross multiply
    41,878.64x = 57,790.10 × 23,015.76
  4. Step 4: Simplify right side
    41,878.64x = 1,330,083,071.98
  5. Step 5: Solve for x
    x = 1,330,083,071.98/41,878.64
  6. Step 6: Final answer
    x = 31,760.42

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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.