Home / 41,300.64-57,021.84-28,755.36

Finding the Fourth Proportional to 41,300.64, 57,021.84 and 28,755.36

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Solution

The fourth proportional to 41,300.64, 57,021.84 and 28,755.36 is: 39,701.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,300.64 : 57,021.84 = 28,755.36 : x
  2. Step 2: Convert to fraction form
    41,300.64/57,021.84 = 28,755.36/x
  3. Step 3: Cross multiply
    41,300.64x = 57,021.84 × 28,755.36
  4. Step 4: Simplify right side
    41,300.64x = 1,639,683,537.06
  5. Step 5: Solve for x
    x = 1,639,683,537.06/41,300.64
  6. Step 6: Final answer
    x = 39,701.17

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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.